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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Capacitive Touch Module MPR121
MPR121 capacitive touch module, multi-channel.
Only 2 leftTouch Sensor (4 Channel)
Capacitive touch sensor module, 4 channels.
Touch Sensor TTP224 (4 channel)
TTP224 capacitive touch controller: 4 touch inputs → 4 digital outputs. 2.4–5.5V. Sensitivity adjustable.
Gigabyte GeForce RTX 5050 Windforce OC V2 8GB GDDR6 Graphics Card
[Graphics Card] Gigabyte GeForce RTX 5050 Windforce OC V2 8GB GDDR6 Graphics Card Refined V2 iteration featuring optimized PCB routing, upgraded thermal pads, and enhanced WINDFORCE aerodynamic fan blade contours for quieter high-load operation. ⭐ Key Features - Blackwell architecture with 4th Gen Tensor Cores - Upgraded V2 thermal heatsink fin array - Alternate spinning dual fans eliminate turbulence - Direct-touch composite copper heat pipes - Ultra Durable certified chokes and solid capacitors 📋 Technical Specifications - Model: GV-N5050WF2OCV2-8GD - Memory: 8GB GDDR6 - Bus Standard: PCIe 5.0 - Outputs: 3x DisplayPort 2.1a, 1x HDMI 2.1 - Form Factor: 2-Slot ATX 📦 Package Includes - 1 x Gigabyte RTX 5050 Windforce OC V2 8GB Graphics Card - 1 x User Guide
25 Watt Soldering Iron with 3mm Tip
[Soldering Iron] 25W Soldering Iron – Deluxe Economic The 25W Soldering Iron – Deluxe Economic is a compact and practical soldering tool designed for electronics assembly, component soldering, PCB repair, circuit modifications, and general-purpose electronic work. With a 25W heating element and included 3mm spade tip, it provides a convenient solution for routine soldering applications. The soldering iron features a quick-heating element to reduce waiting time before operation. It is compatible with most standard soldering tips available on the market, making it suitable for both hobbyists and professional electronics repair work. This soldering iron is manufactured in India and may be supplied under SAMCON, Devaji, Noel, Alpine, or an equivalent manufacturer, depending on availability. ⭐ Key Features 25W power output Includes 3mm spade tip Quick-heating capability Compatible with most standard soldering tips Compact and practical design Suitable for PCB soldering and repair Durable construction for general electronics work Suitable for hobbyists, technicians, and educational use Made in India 📋 Technical Specifications Product Type: Electric Soldering Iron Model: Deluxe Economic Power Rating: 25W Tip Type: 3mm Spade Tip: 3mm Spade Tip, Pre-Installed Heating Type: Quick Heating Tip Compatibility: Most Standard Soldering Tips Manufacturer: SAMCON / Devaji / Noel / Alpine or Equivalent Country of Origin: India Application: Electronics Soldering and PCB Repair 🔧 Applications General Electronics Component Soldering PCB Assembly PCB Repair Circuit Modifications Electronics Hobby Projects DIY Electronics Educational Electronics Workshops Component Replacement Wire Soldering General Electrical & Electronic Repair 🛠️ How to Use Insert a suitable soldering tip and allow the iron to heat up. Apply solder to the heated joint and component connection to create a proper electrical and mechanical connection. After completing the work, place the soldering iron safely on a heat-resistant stand and allow it to cool before storage. 📦 Package Includes 1 × 25W Soldering Iron 1 × 3mm Spade Tip (Pre-Installed) ⚠️ Precautions The soldering tip becomes extremely hot during operation. Do not touch the heated tip or metal parts during use. Always place the soldering iron on a suitable heat-resistant stand when not in use. Use in a well-ventilated area. Wear appropriate eye protection during soldering. Keep away from children and flammable materials. Disconnect from the power supply after use. Allow the iron to cool completely before changing the tip. Lead-free solder may require higher temperatures and may not perform optimally with every 25W soldering application. ❓ Frequently Asked Questions Q: Can the 3mm spade tip be replaced?A: Yes. The supplied specification states that the soldering iron is compatible with most standard soldering tips, allowing tip replacement. Q: What safety precautions are required?A: Use the soldering iron in a well-ventilated area, use eye protection, and place it on a heat-resistant stand when not in use. Q: Is it compatible with lead-free solder?A: It can be used with lead-free solder, although lead-free soldering may require higher temperatures depending on the application.
5 Pin Mini SPDT Relay 12V 10A 250V PCB Mount Electromagnetic Relay
[Relay Module, Relays] 12V PCB Mount Sugar Cube SPDT Relay – 5 Pin 10A The 12V PCB Mount Sugar Cube SPDT Relay is a compact Single Pole Double Throw (SPDT) electromagnetic relay designed for switching AC and DC electrical loads using a microcontroller, sensor, automation circuit, or other low-power control system. Its compact PCB-mount design makes it suitable for DIY electronics, home automation, security systems, switching circuits, motor control, lighting control, and embedded applications. The relay features a 12V DC coil and a 5-pin SPDT configuration consisting of two coil terminals, COM (Common), NO (Normally Open), and NC (Normally Closed) contacts. When the coil is energized, the internal contact switches between the NC and NO terminals. With contact ratings of up to 10A at 250V AC, 10A at 125V AC, 12A at 120V DC, and 10A at 28V DC, this relay is suitable for a wide range of electrical switching applications. ⭐ Key Features SPDT (Single Pole Double Throw) relay 12V DC coil Compact Sugar Cube design 5-pin configuration PCB mounting type 10A @ 250V AC contact rating 10A @ 125V AC contact rating 12A @ 120V DC contact rating 10A @ 28V DC contact rating Coil resistance: approximately 270Ω Approximately 45mA nominal coil current 50/60Hz frequency specification Fast switching response Suitable for microcontroller and sensor-controlled switching Ideal for automation and control applications 📋 Technical Specifications Product Type: PCB Mount Relay Relay Type: SPDT (Single Pole Double Throw) Contact Configuration: 1 Form C Number of Pins: 5 Coil Voltage: 12V DC Trigger Voltage: 12V DC Coil Resistance: 270Ω Nominal Coil Current: Approximately 45mA Frequency: 50/60Hz Maximum AC Load: 10A @ 250V AC Maximum AC Load: 10A @ 125V AC Maximum DC Load: 12A @ 120V DC Maximum DC Load: 10A @ 28V DC Operating Time: 10ms Release Time: 5ms Mounting Type: PCB Mount Contact Terminals: COM / NO / NC Coil Terminals: Coil End 1 / Coil End 2 🔌 Pin Configuration Coil End 1: One terminal of the 12V DC relay coil Coil End 2: Other terminal of the 12V DC relay coil COM: Common switching contact NO: Normally Open contact NC: Normally Closed contact When the relay coil is not energized, COM is connected to NC. When the 12V DC coil is energized, COM switches from NC to NO. 🛠️ How It Works The relay uses an electromagnetic coil to mechanically switch an electrical circuit. Applying 12V DC to the coil energizes the relay and changes the contact position. A load connected between COM and NC remains connected when the relay is inactive. A load connected between COM and NO remains disconnected until the relay coil is energized. This allows a low-power control circuit such as an Arduino, microcontroller, sensor, timer, or automation controller to control a higher-current AC or DC load. 🔧 Applications Arduino Projects Microcontroller Projects Sensor-Controlled Switching Home Automation Security Systems Lighting Control Fan Control Motor Control Pump Control Power Supply Switching Industrial Control Systems Embedded Electronics DIY Electronics Projects 📦 Package Includes 1 × 12V PCB Mount Sugar Cube SPDT Relay – 5 Pin 10A ⚠️ Precautions Use a suitable 12V DC supply for the relay coil. Do not exceed the specified contact voltage and current ratings. Check the COM, NO, NC, and coil terminals before wiring. Use suitable flyback protection when driving the relay coil from sensitive electronic circuits. Use appropriate suppression/protection components for inductive loads such as motors, solenoids, and coils. Provide sufficient PCB insulation and clearance when switching mains voltage. Disconnect power before changing or modifying wiring. Do not touch exposed mains-voltage terminals during operation.
XY-LPWM Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display Module
XY-LPWM Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display Module is a two-channel PWM signal generator. It has dedicated switches for adjusting the frequency and duty cycle separately. Using this module PWM output, frequency and duty cycle can be set as per requirements. Communication Standard: 9600 bps Data bits: 8 Stop bit: 1 Check digit: none Flow control: none Set the frequency of the PWM “F101”: Set the frequency to 101 Hz (001 to 999) “F1.05”: set the frequency of 1.05 kHz (1.00 ~ 9.99) “F10.5”: Set the frequency to 10.5kHz (10.0 ~ 99.9) “F1.0.5”: set the frequency of 105kHz (1.0.0 ~ 1.5.0) Set the PWM duty cycle “DXXX”: set the PWM duty cycle to XXX; (001 ~ 100) Such as D050, set the PWM duty cycle is 50% Read the set parameters Send a “read” string to read the set parameters. Set successfully return: DOWN; Setup failed to return: FALL. Application: This is used to drive a stepper motor driver’s square wave. Generate an adjustable pulse for MCU. Generate an adjustable pulse for controlling relative circuit (PWM adjust lightspeed, etc). Used as a square wave signal generator for experimental development and use. Parameter Settings: The module has 4 switches, two for frequency adjustment and two for duty cycle adjustment. This module can generate frequencies between 1Hz and 150kHz, with automatic switching for different ranges. Frequency is divided into four ranges, automatic switching: 1. XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz; 2. X.XX (decimal point in the hundred) the smallest unit is 0.01Khz, the range of 1.00Khz ~ 9.99Khz; 3. XX.X (decimal point in ten): the smallest unit is 0.1Khz; value range of 10.0KHz ~ 99.9KHz 4. X.X.X (decimal point in ten and hundred): the smallest unit is 1Khz; value range 1KHz ~ 150KHz 5. e.g. frequency display: 100 indicates PWM output 100Hz pulse; 1.01 indicates PWM output 1.01K pulse; 54.1 indicates that the PWM output has a pulse of 54.1 kHz; 1.2.4 indicates that the PWM output is 124 kHz pulse; Duty cycle range: 1 – 100%. In case of a power outage or if the module is powered down, the parameters that are set are saved automatically, so there is no need to set the parameters again. Single touch for increasing or decreasing single unit and long press for fast increasing or decreasing. Features: LCD display for frequency and duty cycle. Wide frequency range. High precision. Serial communication(TTL based). Package Includes: 1 x XY-LPWM Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display Module.
Out of stock2.8 inch SPI Touch Screen Module TFT Interface 240*320
[LED/LCD Display Module] This TFT display is big (2.8″ diagonal) bright and colorful! 240×320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128×64 display. As a bonus, this display has a resistive touchscreen attached to it already, so you can detect finger presses anywhere on the screen. This display has a controller built into it with RAM buffering so that almost no work is done by the microcontroller. The display can be used in two modes: 8-bit and SPI. For 8-bit mode, you’ll need 8 digital data lines and 4 or 5 digital control lines to read and write to the display (12 lines total). SPI mode requires only 5 pins total (SPI data in, data out, clock, select, and d/c) but is slower than the 8-bit mode. In addition, 4 pins are required for the touchscreen (2 digital, 2 analogs). This 2.8 inch SPI Touch Screen Module is wrapped up into an easy-to-use breakout board, with SPI connections on one end and 8-bit on the other. Both are 3-5V compliant with high-speed level shifters so you can use with any microcontroller. If you’re going with SPI mode, you can also take advantage of the onboard MicroSD card socket to display images. Stock version: 1.1V For more displays click below, LED/LCD Display Features : It shows the color depth of 262K/65K. Need at least 4 IOs from your MCU The display has a wide viewing angle. Big display with good resolution. Package Includes : 1 x 2.8-inch SPI Touch Screen Module TFT Interface 240 x 320 1 x Stylus Pen Buy other components to attach to this LCD Display Arduino Boards Raspberry Pi Dupont Cables
315MHz 4 Channel Wireless RF Remote Control Kit with Receiver Module (Non-Locking Mode)
[RF Module] 📡 315MHz 4 Channel Wireless RF Remote Control Kit with Receiver Module (Non-Locking Mode) 4 Channel RF Remote • 315MHz ASK Communication • 5V Receiver • Non-Locking Mode • Long Range Wireless Control The 315MHz 4 Channel Wireless RF Remote Control Kit is a reliable wireless control solution consisting of a 4-button RF transmitter and a super regenerative ASK receiver module. Operating at 315MHz, this kit is ideal for remote switching, automation, robotics, security systems, and DIY wireless control projects. The receiver module features four independent digital outputs (D0–D3) that correspond to the four buttons on the transmitter. When a button is pressed, the respective output pin goes HIGH, returning LOW immediately after the button is released. This Non-Locking (Momentary/Jog) operation makes the module perfect for applications requiring temporary switching such as electric door control, motor jogging, relay activation, and microcontroller interfacing. The receiver operates from a 5V DC supply and features a high-sensitivity ASK receiver with a Valid Transmission (VT) output pin for reliable signal detection. The transmitter uses a fixed-code encoder for secure communication and easy operation. Ideal for Arduino, ESP32, Raspberry Pi, AVR, PIC, industrial automation, wireless switching, and educational electronics projects. ⭐ Features 4-channel wireless RF remote control kit Operating frequency: 315MHz ASK (Amplitude Shift Keying) modulation Fixed-code RF transmitter Non-Locking (Momentary/Jog) operating mode Four independent digital outputs (D0–D3) High-sensitivity super regenerative receiver 5V DC receiver operating voltage VT (Valid Transmission) status output Compact PCB design Easy interface with microcontrollers Long wireless transmission range (environment dependent) Suitable for DIY and industrial automation 📋 Technical Specifications RF Transmitter Product Type: RF Wireless Remote Control Operating Frequency: 315MHz Number of Buttons: 4 Channels: 4 Modulation: ASK (Amplitude Shift Keying) Encoding Type: Fixed Code Operating Mode: Non-Locking (Momentary) Power Supply: 12V A23 Battery (Not Included) RF Receiver Module Operating Voltage: 5V DC Operating Frequency: 315MHz Receiver Type: Super Regenerative ASK Receiver Receiver Sensitivity: -98dBm Output Channels: D0, D1, D2, D3 VT Output: Yes (Valid Signal Output) Antenna Connection: External ANT Pin Recommended Antenna Length: Approx. 17cm (Quarter-Wave) Module Dimensions: Approx. 41 × 22 × 7 mm Receiver Pin Configuration VT – Valid Signal Output D3 – Channel 4 Output D2 – Channel 3 Output D1 – Channel 2 Output D0 – Channel 1 Output +5V – Power Input GND – Ground ANT – External Antenna Connection 🔧 Operating Modes Non-Locking (Momentary/Jog Mode) Press a button → Corresponding output goes HIGH. Release the button → Output immediately returns LOW. Ideal for momentary control applications. Note: This product is supplied in Non-Locking Mode only. 🔧 Applications Suitable for: Arduino Projects ESP32 Projects Raspberry Pi Projects Wireless Relay Control Home Automation Industrial Automation Remote Door Control Electric Door Locks Wireless Switching Robotics Motor Control Lighting Control Alarm Systems Security Systems DIY Electronics Educational Projects 📦 Package Includes 1 × 4-Button 315MHz RF Wireless Remote Control 1 × 315MHz Super Regenerative Receiver Module ⚠️ Note Battery is included. A 12V A23 battery is required for operation. Avoid bending or touching the receiver's onboard inductor (copper coil), as this may affect receiver sensitivity. Wireless operating range depends on antenna quality, obstacles, and surrounding RF interference. Product appearance may vary slightly depending on the manufacturing batch.
4×4 Matrix 16 Keypad Keyboard Module 16 Button MCU
[Input Module] This DC 12V 4×4 Matrix Keypad Membrane Switch is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This DC 12V 4×4 Key Matrix Membrane Switch Keypad is a high-quality product at very low cost for your application needs. This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. The Keypad 4×4 features a total of 16 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 8-pin berg connector is require for interfacing it with your microcontroller circuits. Features: Ultra-thin design & adhesive backing provides easy integration to any project Excellent price-performance ratio Easy communication with any microcontroller 5 pins 2.54mm pitch connector,4x 4type 16 keys. Sticker can peel off for adhesive mounting. Used widely in industrial and home electronic equipments, instrument, etc. This allows a microcontroller to scan the 8 output pins to see which of the 16 buttons is being pressed. Package Includes: 1 x 4×4 Matrix Membrane Type Keypad -16 Keys Specifications: Voltage(V) DC 35V Operating Current (A) 0.1 Contact Resistance 500 Insulation Resistance (M) 100 Dielectric Strength 250VRms Length (mm) 165 Width (mm) 70 Height (mm) 1 Weight (gm) 7 * Product Images are shown for illustrative purposes only and may differ from actual product.
12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch
[Cooling FAN] 12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch The 12V 8025 DC Cooling Fan is a compact and reliable cooling fan designed to provide airflow for computer cases, servers, power supplies, amplifiers, electronic enclosures, and DIY electronics projects. With an 80×80mm fan size and 25mm thickness, it is suitable for applications requiring moderate airflow in compact spaces. Operating from a 12V DC power supply, the fan runs at approximately 2600 RPM and provides around 30.7 CFM airflow. Its compact design and relatively low noise level make it suitable for continuous cooling of enclosed electronic equipment and custom projects. ⭐ Key Features 12V DC operating voltage 80×80×25mm standard fan size Approximately 2600 RPM Airflow up to 30.7 CFM Low noise level of approximately 30.7dBA Compact and lightweight design Suitable for computer cases and electronic enclosures Ideal for cooling amplifiers, power supplies and electronic equipment Easy 2-wire connection Red wire: +12V DC Black wire: Ground 📋 Technical Specifications Product Type: DC Cooling Fan Model / Size: 8025 Fan Size: 80mm / 3 Inch Dimensions: 80 × 80 × 25mm Operating Voltage: 12V DC Operating Current: 0.20A Power Consumption: Approximately 2.4W Speed: Approximately 2600 RPM @ 12V DC Airflow: Approximately 30.7 CFM Noise Level: Approximately 30.7dBA Wire Gauge: 26AWG Wire Length: 40cm Weight: Approximately 72g Connection: 2-Wire DC Red Wire: Positive (+) Black Wire: Ground (−) Application: Electronic Equipment Cooling 🔌 Wiring Connect the red wire to +12V DC and the black wire to Ground/−. Make sure the power supply is capable of providing the required current before operating the fan. 🛠️ Applications ATX Computer Cases Server Cooling Power Supply Cooling Amplifier Cooling Audio Equipment Electronic Enclosures DIY Electronics Projects 3D Printer Enclosures Control Panels Industrial Equipment Battery Charger Cooling DC Power Supply Cooling 📦 Package Includes 1 × 12V 8025 DC Cooling Fan – 80×80×25mm ⚠️ Precautions Use only a suitable 12V DC power supply. Do not exceed the specified operating voltage. Ensure correct polarity when connecting the wires. Keep the fan blades free from obstruction. Do not touch the rotating blades while the fan is operating. Ensure adequate ventilation around the fan inlet and outlet. Keep away from excessive moisture and dust. Secure the fan properly before operation.
Out of stock6x6x8mm Tactile Push Button Switch (Pack of 20)
[Mechanical Switches] 6x6x8mm Tactile Push Button Switch is widely used as a standard input “buttons” on electronic projects. These work best when you mount it on PCB but can also be used on a solderless breadboard for temporary connections in prototypes. The pins are normally open (disconnected) and when the button is pressed they are momentarily closed and complete the circuit. This tact switch also offers reliable dome contact technology and strong tactile feedback, with multiple operating forces to choose from. Applications include telecommunications, consumer electronics, audio/visual, medical devices, testing/instrumentation, and computer/peripherals. Features : Through-hole design. High operating force (1.5N or 2.5N) suited to automotive equipment requirements The long life of 300,000 cycles realized despite the high operating force Middle stroke (1.05mm) Used in the fields of electronic products, household appliances and more. This light touch switch is waterproof, prevent oil, anti-pollution, anti-static interference. High precision mechanism design offers acute operation and long service life. Compact and lightweight, easy to carry and dismantling. Good electrical conductivity. Package Includes : 20 x 6x6x8mm Tactile Push Button Switch.
Out of stock12 mm 12V-24V Momentary Plastic Switch
[Mechanical Switches] This Momentary Metal Pushbutton Switch is a perfect choice if you are in need of a heavy-duty push-button! These metal push buttons are a very tough, small, It is an SPDT with 12mm threading and 1mm pitch. It gives premium look to your dashboard or control panel with a Led Light ring around the push area of the switch. These switches are available in various LED light Colors, you can choose for your application purpose Note: Momentary means it turns off as soon as your pressure is released Non-momentary switches maintain the positions even if we release the pressure. Features: Stainless steel material for long-term use High-end appearance and good to touch Inbuilt Colorful Ring illumination LED Available in Various LED Color Independent LED terminals Bright daylight LEDs Single pole push to make and Push to break Function Front and rear panel seal to IP65 Integral supply resistors TVS protection Good electrical conductivity Non-Momentary type push-button switch Rubber ring and hexagon nut to fix, Waterproof and Dustproof Specifications: Operating Voltage (VDC): 12V – 24V Max. Operating Current (mA): 2000 On/Off Function: Push to ON and Push to OFF Switch Type: Momentary Mounting Hole Diameter (mm): 12 Contact Type: Solder Type Contact Material: Silver Alloy Contact Resistance: ≤50 MΩ Insulation Resistance (MΩ): ≥1000 Operating Temperature Range (°C): -20 to 55 Operation Force: About 3-5N Body Material: Stainless Steel and Plastic Mech. & Electrical Lifecycle: ≈ 100,000 Protection Standard: IP65 Package Includes: 1 x 12 mm 12V-24V Momentary Plastic Switch
Out of stockLIFEPO4 Battery 1S 12A 3.2V BMS Charge Protection Circuit PCB Lifepo4
[Lithium Battery Protection Board] LifePO4 charge protection circuit comes with over-charge, over-discharge, over-current and short circuit protection. MOS transistor can control the battery charge and discharge, Built-in three-stage over-current detection circuit, for 3.2 V LifePO4 batteries. This is highly accurate voltage detection circuit and provides low standby current consumption. This is Small size, suitable for many requirements of high integration, low cost of the occasion, to meet a wide range of performance requirements to ensure that the battery pack is absolutely safe and reliable. Features : Overcharge protection over discharge protection short circuit protection over current protection MOS: 6 MOS Transistor Specifications: Overcharge detection voltage: 3.75V ± 0.25V Overcharge release voltage: 3.6V ± 0.25V Over discharge detection voltage: 2.1±0.05V Upper limit continuous current: 12A Overcurrent detection current: 15A Charging voltage: 3.6V Product size: 35×7.6×2.2MM Wiring instructions : B+ is connected to the positive battery. B-connect the battery negative. P+ is the positive input of the battery pack output P- is the negative input of the battery pack output Precautions : Please pay attention to the conditions of input and output voltage and load current, so that the power consumption in the protection board does not exceed the allowable power consumption of the electrical parameters. The load current cannot be operated for a long time between the upper limit continuous working current and the overcurrent protection current. When the battery is connected, there is a possibility that it will not discharge. In this case, the charger can be restored to normal operation. Although the protection board has built-in anti-static protection circuit, please do not touch the board by hand when the protection board is working, so as to avoid static damage to the protection board.
ESP WROOM32 MCU Development Module – 38 Pin
[ESP Modules] This is ESP WROOM 32 MCU Development Module. ESP WROOM 32 is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. The WROOM32 based modules with integrated flash. These modules are well suited for Wi-Fi and Bluetooth/Bluetooth LE-based connectivity applications and provide a solid dual-core performance and the clock frequency is adjustable from 80 MHz to 240 MHz. The user may also use power saving mode for the CPU and make use of the low-power coprocessor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32S integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, low-noise sense amplifiers, SD card interface, Ethernet, high-speed SDIO/SPI, UART, and I²C. Using Bluetooth, users can connect to their phone or broadcast low energy beacons for its detection. The use of Wi-Fi enables a large physical range, as well as a direct connection to the internet via a Wi-Fi router. Perfect for wearable electronic or battery-powered applications, the ESP32 chip uses less than 5µA. In addition, this module can support data rates of up to 150 Mbps and 22 dBm output power at the PA in order to allow for the widest physical range. ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller. The ESP32 is integrated with Antenna switches, RF Balun, power amplifiers, low-noise amplifiers, filters, and management modules, and the entire solution occupies the least area of PCB. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chip, with TSMC Ultra-low power consumption 40nm technology, power dissipation performance, and RF performance is the best, safe and reliable, easy to extend to a variety of applications. Features: High performance-price ratio Small volume, easily embedded to other products Strong function with support LWIP protocol, Freertos Supporting three modes: AP, STA, and AP+STA Supporting Lua program, easily to develope Package Includes: 1 x ESP32 38Pin Development Board
AC 220V 2000W SCR Voltage Regulator Dimmers Speed Controller Thermostat
[AC Motor Driver] 2000W AC 220V SCR Thyristor Voltage Regulator – Motor Speed Controller & Dimmer The 2000W AC SCR Thyristor Voltage Regulator is a high-power electronic controller designed for adjusting AC voltage to control light brightness, motor speed, heating temperature, and other suitable AC loads. It uses a high-power bidirectional silicon-controlled device and an onboard potentiometer for convenient voltage adjustment. The controller can be connected in series with a compatible AC load and adjusted using the rotary knob. It is suitable for applications such as electric furnaces, water heaters, lamps, small motors, electric irons, and other compatible resistive or motor loads. ⭐ Key Features 2000W maximum advertised power AC voltage regulation 90–220V AC input Adjustable output voltage: 50–220V AC High-power SCR/thyristor design Onboard adjustable potentiometer Suitable for light brightness control Suitable for motor speed control Suitable for heating temperature control Compact design Potentiometer includes fixing nut No additional external control components required for basic operation 📋 Technical Specifications Product Type: AC SCR Voltage Regulator Controller Type: Thyristor / SCR Regulator Input Voltage: 90–220V AC Adjustable Output Voltage: 50–220V AC Maximum Power: 2000W SCR Rating: 25A Recommended Power for Voltage Adjustment: Up to approximately 1000W / 5A Recommended Current for Electrical Machines: Up to approximately 3A Control Method: Rotary Potentiometer Material: Plastic / Metal Dimensions: 48 × 55 × 27mm Weight: Approximately 41g Application: AC Voltage / Speed / Brightness / Temperature Control 🛠️ How to Use Connect the controller in series with the compatible AC load according to the input and output markings. After making sure all connections are secure, rotate the potentiometer to adjust the output and control the connected load. For resistive loads such as lamps or heaters, the controller can be used for brightness or heating control. For compatible small AC motors, it can be used for speed adjustment. 🔧 Applications AC Lamp Dimmer Light Brightness Control Small AC Motor Speed Control Electric Furnace Control Water Heater Control Electric Iron Control Heating Element Control Temperature Control AC Voltage Regulation DIY AC Control Projects 📦 Package Includes 1 × 2000W 220V SCR Thyristor AC Voltage Regulator / Motor Speed Controller ⚠️ Precautions This module works with potentially lethal AC mains voltage. Installation should only be performed by a qualified person familiar with AC electrical systems. Do not touch the board or terminals while powered. Do not exceed the specified voltage, current, or power ratings. The 2000W rating is a maximum advertised rating; actual safe continuous power depends on load type, cooling, enclosure, and operating conditions. For voltage adjustment applications, the supplied specification recommends approximately 1000W / 5A or below. For electrical machines, the supplied specification recommends 3A or below. Provide adequate ventilation and heat dissipation at higher loads. Use appropriate fusing and electrical protection. Ensure all wiring and connections are properly insulated and secured. This type of controller is not suitable for every AC load; verify load compatibility before use.
Out of stockZP4510 P45 Water Level Sensor Float Control Switch
[Water Level Sensor] A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or another device. A float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or another device. Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, pumps, ponds, basement alarms, boats, air condition drain pans, pressure washers, carpet cleaning machine, reef aquarium, fluid control, ice machines, coffee pots, marine, automotive, automobiles, tropical fish tanks, evaporator coils, condensation line, in relays, or whatever your project may be. It can be easily converted from normally open to normally close by inverting the float. Note: because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay and contactor are not included here. Specifications:- Cable Length: 30.5(cm) Maximum Load: 50 W Max Switching Voltage: 100V DC Minimum Voltage: 250V DC Maximum Switching Current: 0.5 A Max Load Current: 1.0 A Max Contact Resistance: 0.4 ΩTemp Rating: -20~ 80 degree Applications:- Household Equipment such as overhead water tanks, Water purifiers. Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, or whatever your project may be. Up float switch Contains no mercury Product. How Magnetic Reed Liquid Level Sensors Work:- The purpose of a float switch is to open or close a circuit as the level of a liquid rises or falls. Most float switches are "normally closed," meaning the two wires coming from the top of the switch complete a circuit when the float is at its low point, resting on its bottom clip or stop (for example, when a tank is dry). Most float switches utilize a magnetic reed switch to open or close the circuit. The reed is encased in a glass tube, which is cemented into a plastic or stainless steel stem with epoxy. The illustration to the left demonstrates how a magnet can be used to open or close a circuit by moving it closer to or farther away from a reed switch. When the magnet comes close to the two contacts, they draw together and touch, allowing the current to pass through. When the magnet is moved away, the contacts demagnetize and separate, breaking the circuit. In a float switch, the magnetic reed switch is hermetically sealed in a stem, most often made from plastic or stainless steel. The float encases a sealed magnet, which moves up and down the length of the stem as a fluid level rises and falls. As the magnet passes by the contacts in the encased reed switch, they draw together and complete a circuit between the two lead wires. The operation shown can usually be reversed by removing the bottom clip from the switch, inverting the float, and replacing the clip. When this change is made, the switch circuit will be open when the float is resting on the bottom clip and closed when the float rises. Properly used, float switches can deliver millions of on/off cycles, for years of dependable operation. Failures are normally due to overloading, frequently caused by spiking voltage. Before designing a circuit that uses a float switch, be sure to read our Technical Page on Spiking Voltage & Float Switches. * Product Images are shown for illustrative purposes only and may differ from the actual products.
Out of stockAnti Static ESD Wrist Strap Elastic Band with Clip for Sensitive Electronics Repair Work Tool
[Current Sensor] An Anti Static ESD Wrist Strap Elastic Band with Clip for Sensitive Electronics is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the building up of static electricity on the operator’s body, which can result in the electrostatic discharge (ESD). Features : Simply wrap the strap around wrist and clip to a grounded source. Prevent Static shock in the dry environment. Keep static from damaging electronic parts and types of equipment. Adjustable wrist strap with alligator clip tip. Inner conducting layer made of stainless shell filaments. Durable Polyurethane-Coated Coil Cords. High-Quality Strain relief. The soft elastic band comfort. Rinsing Resisting. 22 CMS Conductive Fiber Woven elastic band with Velcro fasteners. Contact plate through 316-grade stainless steel, adjustable. Insulation: PVC. Note:- This is a Generic non-branded product. The product's brand and colour may be different. This device is very special care of sensitive electronic devices which can be damaged by electrostatic discharge. If an operator has a sudden build-up of Electrostatic Charge in his/her body and in this case if the corresponding operator touches the electronic device then certain components like IC’s make a way for the Electrostatic Charge. If this happens the IC will be damaged immediately, so this Anti Static ESD Wrist Strap will avoid such accidents and keep your sensitive electronic equipment safe.
12V PCB Mount Sugar Cube SPDT Relay – 5 Pin 7A
[Relays] 12V PCB Mount Sugar Cube SPDT Relay – 5 Pin 7A The 12V PCB Mount Sugar Cube SPDT Relay is a compact Single Pole Double Throw (SPDT) electromagnetic relay designed for switching AC or DC loads using a microcontroller, sensor, control circuit, or other low-power trigger source. Despite its small size, this relay can be used to control loads up to 7A at 250V AC according to the provided specifications. The relay operates with a 12V DC coil and has a coil resistance of approximately 270Ω, with a nominal coil current of around 45mA. Its compact PCB-mount design makes it suitable for use in automation systems, switching circuits, security systems, control panels, DIY electronics, and embedded projects. The relay features 5 pins: two coil terminals, COM (Common), NO (Normally Open), and NC (Normally Closed). The COM terminal is switched between NO and NC when the relay coil is energized or de-energized. ⭐ Key Features SPDT (Single Pole Double Throw) relay 12V DC coil Compact Sugar Cube design PCB mounting type 5-pin configuration Coil resistance: approximately 270Ω Nominal coil current: approximately 45mA Suitable for switching AC and DC loads Maximum AC load: 7A @ 250/125V AC Compact and easy to install Suitable for microcontroller and sensor-controlled switching Useful for automation and control applications 📋 Technical Specifications Product Type: PCB Mount Relay Relay Type: SPDT Contact Configuration: 1 Form C Number of Pins: 5 Coil Voltage: 12V DC Trigger Voltage: 12V DC Coil Resistance: 270Ω Trigger / Nominal Coil Current: Approximately 45mA Maximum AC Load Current: 7A @ 250/125V AC Maximum DC Load Current: 10A @ 24/120V DC as specified Operating Time: 10ms Release Time: 5ms Mounting Type: PCB Mount Contact Terminals: COM / NO / NC Coil Terminals: Coil End 1 / Coil End 2 🔌 Pin Configuration Coil End 1: One terminal of the 12V DC relay coil Coil End 2: Other terminal of the 12V DC relay coil COM: Common contact connected to the load circuit NO: Normally Open contact NC: Normally Closed contact When the relay coil is not energized, COM is connected to NC. When the 12V DC coil is energized, the internal contact switches from NC to NO. 🛠️ How It Works Connect the relay coil terminals to a suitable 12V DC control supply. When the coil is energized, the internal contact changes state and switches the connected load between the NC and NO terminals. For an NC connection, the load can remain connected before the relay is triggered. For an NO connection, the load remains disconnected until the relay coil is energized. The relay allows a low-power control circuit such as a microcontroller, sensor, timer, or automation controller to control a higher-current electrical load. 🔧 Applications Microcontroller Projects Arduino Projects Sensor-Controlled Switching Home Automation Security Systems Switching Circuits Motor Control Lighting Control Fan Control PCB Control Boards Embedded Electronics Industrial Control Systems DIY Electronics Projects 📦 Package Includes 1 × 12V PCB Mount Sugar Cube SPDT Relay – 5 Pin ⚠️ Precautions Use a 12V DC supply for the relay coil. Do not exceed the specified contact voltage and current ratings. Ensure correct identification of COM, NO, NC, and coil terminals before wiring. Use suitable protection circuitry when driving the relay coil from sensitive electronic circuits. For inductive loads such as motors and solenoids, use appropriate suppression/protection components. Ensure proper PCB insulation and clearance when switching mains voltage. Disconnect power before changing or modifying wiring. Do not touch exposed mains-voltage terminals during operation. ally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, securi
TTP223 Touch Key Module
[Sensors, Touch Sensors] The TTP223 Touch Key Module is based on a touch-sensing IC (TTP223) capacitive touch switch module. A capacitive touch sensor module based on the dedicated TTP223 touch sensor IC. The module provides a single integrated touch sensing area of 11 x 10.5mm with a sensor range of ~5mm. An onboard LED will give a visual indication of when the sensor is triggered. When triggered the output of the module will switch from its idle low state to high (default operation). Solder jumpers allow for reconfiguring its mode of operation to be either active low or toggle output. TTP223 Capacitive Touch Sensor Module. The TTP223 is a touchpad detector IC replicating a single tactile button. The TTP223 is a touchpad detector IC replicating a single tactile button. This touch detection IC is designed for replacing traditional direct button key with diverse pad size. Trigger-setting mode: (1- > Short ; 0- > No Short) AB=00: No-lock High TTL level output; AB=01: Self-lock High TTL level output; AB=10: No-lock Low TTL level output; AB=11: Self-lock Low TTL level output; Connection Diagram: Features : Supports momentary or latching/toggle modes. Supports Active High or Active Low output signal modes. Dimensions : 15mm x 11mm. Input Voltage : 2 Volt – 5.5 Volts DC. The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V. Sensitivity can adjust by the capacitance(0~50pF). Have two kinds of sampling length by pad option(SLRFTB pin). Stable touching detection of the human body for replacing traditional direct switch key. Provides Fast mode and Low Power mode selection by pad option(LPMB pin). Provides direct mode、toggle mode by pad option(TOG pin). Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output. All output modes can be selected active high or active low by pad option(AHLB pin). Have the maximum on time 100sec by pad option(MOTB pin). Have external power-on reset pin(RST pin). After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled. Auto calibration. Re-calibration period is about 4.0 sec when the key has not be touched. Package Includes : 1 x TTP223 TOUCH KEY MODULE
Out of stock12x12x7.3mm Tactile Push Button Switch-10Pcs
[Mechanical Switches] 12x12x7.3mm Tactile Push Button Switch is widely used as a standard input “buttons” on electronic projects. These work best when you mount it on PCB but can also be used on a solderless breadboard for temporary connections in prototypes. The pins are normally open (disconnected) and when the button is pressed they are momentarily closed and complete the circuit. This tactile switch also offers reliable dome contact technology and strong tactile feedback, with multiple operating forces to choose from. Applications include telecommunications, consumer electronics, audio/visual, medical devices, testing/instrumentation, and computer/peripherals. They come in a pack of 10, as they’re pretty handy so you’ll want to keep them around. Features : Through-hole design. Shaft Shape: Round High operating force (3.0N or 3.6N) suited to automotive equipment requirements The long life of 300,000 cycles realized despite the high operating force Middle stroke (1.05mm) Used in the fields of electronic products, household appliances and more. This light touch switch is waterproof, prevent oil, anti-pollution, anti-static interference. High precision mechanism design offers acute operation and long service life. Compact and lightweight, easy to carry and dismantling. Good electrical conductivity. Package Includes : 1 x 12x12x7.3mm Tactile Push Button Switch-10Pcs.