All products · 13 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockSoldering Iron 60W with Adjustable Temp
60W ceramic-heater soldering iron, 200-450°C adjustable. Ergonomic grip.
XH-W1219 12V Digital Temperature Controller Module with Dual LED Display & Waterproof NTC Sensor
[Relay Module, Temperature Sensor] 🌡️ XH-W1219 12V Digital Temperature Controller Module with Dual LED Display & Waterproof NTC Sensor Dual LED Display • 12V DC Operation • 10A Relay Output • Heating & Cooling Modes • Waterproof NTC Sensor The XH-W1219 12V Digital Temperature Controller Module is a high-precision thermostat controller designed for automatic temperature monitoring and control in heating and cooling applications. Powered by 12V DC, this module features a dual LED display that simultaneously shows the current temperature and set temperature, making operation more convenient than the popular W1209 controller. Equipped with a waterproof NTC 10K temperature sensor, the XH-W1219 accurately measures temperatures from -50°C to +110°C. The onboard 10A relay output can directly control heaters, cooling fans, pumps, compressors, and other electrical loads within its rated capacity. The module is based on a Nuvoton microcontroller, which stores all settings in non-volatile memory, ensuring that user configurations are retained even after power loss. It supports both Heating (H) and Cooling (C) modes, adjustable hysteresis, temperature calibration, delay start, and high-temperature alarm functions. Ideal for incubators, aquariums, refrigeration systems, greenhouse automation, HVAC equipment, battery temperature monitoring, and industrial automation, the XH-W1219 provides reliable and accurate temperature control in a compact module. ⭐ Features Dual LED display for simultaneous temperature and setpoint display Operates on 12V DC High-accuracy waterproof NTC 10K temperature sensor Temperature control range from -50°C to +110°C Supports Heating and Cooling modes Built-in 10A relay output Adjustable temperature hysteresis Temperature calibration function Adjustable relay delay start High-temperature alarm function Stores settings in non-volatile memory Easy configuration using three push buttons High measurement accuracy (0.1°C resolution) Based on a Nuvoton MCU Compact PCB design with mounting holes 📋 Technical Specifications Product Type: Digital Temperature Controller Module Model: XH-W1219 Operating Voltage: 12V DC Display: Dual 3-Digit LED (Current Temperature & Set Temperature) Temperature Sensor: Waterproof NTC 10K Thermistor Temperature Control Range: -50°C to +110°C Temperature Resolution: 0.1°C Temperature Calibration: -10°C to +10°C Relay Output: 10A (Maximum) Relay Contact Rating: Up to 120VAC 10A / 14VDC 10A Control Modes: Heating (H) / Cooling (C) Hysteresis Setting: 0.1°C to 30°C Delay Start: 0–10 Minutes High Temperature Alarm: -49°C to +110°C Memory: Non-Volatile Parameter Storage Controller: Nuvoton MCU Dimensions: Approx. 60 × 44 × 17 mm Weight: Approx. 22 g (may vary slightly by manufacturer) ⚙️ Parameter Functions Parameter Description P0 Heating (H) / Cooling (C) Mode Selection P1 Temperature Hysteresis (Return Difference) P2 Maximum Temperature Limit P3 Minimum Temperature Limit P4 Temperature Calibration P5 Relay Delay Start (0–10 Minutes) P6 High Temperature Alarm Setting 🔧 Applications Suitable for: Egg Incubators Aquarium Temperature Control Greenhouse Automation Refrigeration Systems Cooling Fans Heating Elements Water Heaters HVAC Systems Fermentation Equipment Battery Temperature Monitoring Industrial Automation Laboratory Equipment DIY Electronics Smart Home Projects Arduino & Raspberry Pi Projects (Relay Interface) 📦 Package Includes 1 × XH-W1219 12V Digital Temperature Controller Module 1 × Waterproof NTC 10K Temperature Sensor ⚠️ Note Operates only on 12V DC. The relay output is rated for 10A maximum. For higher-power loads, use an external contactor or relay. Sensor cable can be extended if required using appropriate wiring. Product appearance or PCB color may vary slightly depending on the manufacturing batch.
Out of stockWS2812B 144 LEDs/m RGB Addressable LED Pixel Strip Light 5V DC Programmable IP65 Waterproof
[RGB LED Strip] Product Description Illuminate your space with the 144 Addressable WS2812B LED Strip (5V, IP65 Waterproof) — a high-quality, vibrant, and flexible lighting solution designed for both indoor and outdoor applications.This LED strip delivers brilliant RGB colors and individually addressable LEDs, allowing you to create dynamic light effects and custom animations for any occasion. The IP65 waterproof rating ensures reliable performance even in dusty or humid environments, making it ideal for home decor, commercial lighting, events, and DIY projects.Its adhesive backing allows for quick installation on clean surfaces, making it a perfect choice for hobbyists, professionals, and decorators. With 144 LEDs per meter, this strip provides exceptional brightness, flexibility, and color control for artistic displays, mood lighting, or architectural highlights. Key Features 🌈 Addressable Design Each LED is individually controllable, allowing you to produce stunning lighting effects, animations, and color patterns. Perfect for creative lighting projects and synchronized displays. 💧 IP65 Waterproof Protection Built to withstand dust and light water exposure, this LED strip ensures long-lasting durability in both indoor and outdoor environments. 🔆 Vibrant RGB Colors Enjoy rich and vivid RGB color combinations — from bold, dynamic hues to soft ambient tones — to match any mood or theme. 🧩 Easy Installation The flexible strip comes with a strong adhesive backing. Simply peel and stick it to any clean, dry surface for quick setup without tools. ⚙️ Versatile Applications Ideal for home decoration, outdoor landscaping, parties, events, art installations, and signage. Its flexibility makes it suitable for various shapes and surfaces. Specifications Specification Description LED Type WS2812B LED Quantity 144 LEDs per meter Input Voltage 5V DC Waterproof Rating IP65 Control Method Individually Addressable Color RGB (Red, Green, Blue) Strip Length 1 Meter Power Consumption Depends on brightness and color settings Weight 150 g(Approx) Installation Adhesive backing Applications ✨ Enhance your outdoor landscape with vibrant, programmable lighting effects. 💡 Highlight indoor architectural elements or furniture with accent lighting. 🎉 Create dynamic effects for parties, weddings, or events to match the ambiance. 🎮 Upgrade your home theater or gaming setup with immersive backlighting. 🏢 Use in shops or signage displays for eye-catching illumination and visual impact. Package Includes 1 × WS2812B 144 LEDs/m RGB Addressable LED Pixel Strip Light 5V DC Programmable IP65 Waterproof
12mm x 33M Kapton Tape High Temperature Heat Resistant
[Kapton Tapes] Kapton Tape, also known as Polyimide Tape, is an electrically insulating heat resistant tape that has many uses for 3D printers. Designed for high temperature masking applications, including the protection of printed circuit board gold finger contacts during wave soldering, heater bed in 3D printer. Kapton tape is a usable print surface for printing ABS/PLA thermal plastic on a Heated Bed for 3D printer. For ABS to stick to Kapton, the Kapton needs to be hot (different sources mention minimum temperatures between 80-130 °C). Also the Kapton should be free of grease, grease can be removed with acetone or a propane torch. This Product Known as 12mm High-Temperature Heat Resistant Kapton Tape Polyimide 30 Meter Roll,12mm High-Temperature Heat Resistant Polyimide Koptan Tape – 30 Meter, 12mm ESD Heat Resistance Polyimide Tape Sticker Strong Adhesive 30 meter Long Heat Resistant up to 280°C, Kapton Tape, Saim Koptan Tape 12MM x 30 Meter Tawny High-Temperature Heat Resistant Insulation Polyimide Film Tape with Silicone Adhesive,12mm Kapton Tape for 3D Printer 30 Meter Length, High-Temperature Heat Resistant Kapton Tape Polyimide Film Adhesive, Kapton Tape Heat Resistant Adhesive Tape 12mm, Heat Resistant Tape, Temperature Resistant Tape, Heatbed, Insulating Material, Insulation Tape, Polyimide Kapton Tape, Kapton Tape. Application: Masking on printed circuit board during soldering Masking for vacuum deposition Holding samples or parts in high vacuum Positioning tape for cryo applications Electrical insulation on transformer, coil, and electromotors Specification:- Material: Polyimide Product: Kapton Tape Heat Resistance: 180°C Spindle type: Roll Color: Metallic Brown One-side self-adhesive Length: 33 Meter Width: 12 mm Approx Weight: 25gm Package Include:- 1x12mm x 33M Kapton Tape High Temperature Heat Resistant
Out of stockTPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W+80W
[Amplifier Board] This is TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2. The TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board is a popular and versatile amplifier module known for its performance and efficiency. Here are its key characteristics: Amplification: Capable of delivering 80 watts per channel (80W*2) in a dual-channel stereo configuration. Digital Amplifier: Utilizes digital amplification technology for high efficiency and reduced power dissipation compared to traditional analog amplifiers. Class-D Amplifier: Falls under Class-D amplifier topology, which offers high efficiency and low heat generation. Stereo Configuration: Provides two independent channels for left and right audio, ideal for stereo sound setups. Audio Quality: Known for delivering clear and high-quality audio output with minimal distortion. Wide Input Voltage Range: Compatible with a wide range of input voltages, providing flexibility in power supply options. Protection Features: May include built-in protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown to safeguard the amplifier and connected speakers. Compact Design: Usually comes in a compact module or board form factor, suitable for integration into various audio systems or DIY projects. Applications: Commonly used in audio systems, home theaters, DIY speaker projects, and other audio amplification applications. When using the TPA3116D2 amplifier board, connect appropriate power supplies, and take necessary precautions to optimize its performance and protect connected equipment from potential damage. Features: Dual-channel stereo configuration Output power of 80 watts per channel (80W*2) Utilizes digital Class-D amplifier technology High efficiency with reduced power dissipation Clear and high-quality audio output Wide input voltage range compatibility Built-in protection features for safety Compact and easily integrable design Input impedance: 1KΩ Input impedance: 4-8Ω Amplifier Board Suitable for various audio applications and DIY projects Package Includes: 1 x TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W+80W
Rubber Passive Radiator Bass Vibration Plates
[Passive Radiator] The Oval Shape Passive Radiator Bass Diaphragm Rubber Speaker Plate is designed to enhance the low-frequency bass response of speaker systems without requiring additional power. Made from high-quality flexible rubber, this passive radiator works by using the air pressure generated inside the speaker enclosure to produce deep and powerful bass vibrations. Passive radiators act as an alternative to traditional bass reflex ports. Instead of allowing air to escape through a port, the radiator diaphragm vibrates in response to internal air pressure from the active driver, resulting in stronger bass performance, reduced distortion, and improved overall sound quality. These DIY speaker passive radiators are ideal for portable speakers, Bluetooth speakers, subwoofers, home audio systems, and custom speaker enclosures. Their lightweight yet durable construction ensures long-lasting operation and easy installation in a wide variety of audio projects. Available in sizes 4080, these passive radiators allow builders and audio enthusiasts to choose the right size for their speaker design and enclosure. Perfect for DIY speaker upgrades, custom audio builds, and professional speaker system enhancements, this rubber bass vibration plate delivers powerful bass performance without increasing power consumption. ⭐ Key Features Durable Rubber Construction for long-lasting use Enhances Bass Performance and low-frequency response Passive Operation – No Power Required Improves Sound Clarity and reduces distortion Lightweight and Compact Design Available in Sizes 4080 Ideal for DIY speaker projects and audio upgrades Easy to integrate into speaker enclosures 🔧 Technical Specifications Product Type: Passive Radiator / Bass Diaphragm Plate Shape: Oval Material: High-quality Rubber Function: Passive Bass Radiator Operation: Air-pressure driven vibration Available Sizes: 4080variants Installation Type: Speaker enclosure mounting Application: Audio speakers & subwoofer systems 🎯 Applications DIY speaker projects Portable Bluetooth speakers Home theater systems Subwoofer speaker boxes Custom speaker cabinets Audio system upgrades 📦 Package Includes 1 × Oval Shape Passive Radiator Bass Diaphragm Plate
Bluetooth MP3 Decoding Board Module with inbuilt SD Card Slot / USB / FM / and Remote Control
[Audio, Audio Receiver] Bluetooth MP3 Decoder Board Module with USB, SD Card, FM Radio, AUX & Remote Control The Bluetooth MP3 Decoder Board Module is a compact and versatile multimedia audio player designed to add multiple audio playback options to DIY speakers, amplifier systems, home theaters, car audio systems, portable speakers, and custom audio projects. It combines Bluetooth, USB, SD/TF card, AUX input, and FM radio functions in a single convenient module. The module can be connected to a compatible audio amplifier board to create a complete multimedia audio system. It features a clear LCD display for displaying playback information, input mode, track details, and FM frequency. An included IR remote control allows convenient wireless operation from a distance. With support for popular audio formats including MP3, WMA, WAV, FLAC, and APE, the module provides flexible playback options for different music sources. ⭐ Key Features Bluetooth wireless audio receiver Built-in USB port for music playback Built-in SD/TF card slot FM radio function AUX audio input Supports USB / SD / Bluetooth / FM / AUX source selection Stereo digital audio output LCD display for playback information Includes IR remote control Supports folder selection and organized playback Supports Bluetooth stereo audio Hands-free calling support as specified Compact design for easy installation Suitable for DIY audio projects 📋 Technical Specifications Product Type: Bluetooth MP3 Decoder Board Bluetooth: Bluetooth Audio Receiver Audio Output: Stereo Digital Audio Output Input Sources: Bluetooth / USB / SD (TF) Card / AUX / FM USB Support: Yes SD/TF Card Slot: Yes FM Radio: Yes AUX Input: Yes Display: Seven segment Display Remote Control: IR Remote Included Audio Formats: MP3 / WMA / WAV / FLAC / APE Bluetooth Function: Wireless Audio Playback / Hands-Free Calling Playback Function: Folder Selection & Music Playback Installation: Audio Amplifier / DIY Speaker System Application: DIY Speakers, Home Theater, Car Audio, Portable Audio Systems Mounting Type: Panel / Enclosure Mount Power Supply: Refer to the specific module version before connection Output Connection: Connect to a compatible amplifier input Module Type: Multi-Function Audio Decoder Board 🔧 Applications DIY Bluetooth Speakers Portable Speaker Systems Home Theater Upgrades Car Audio Modification Amplifier Projects Multimedia Speaker Repair Custom Audio Systems DIY Music Players Portable Audio Systems Electronic Audio Projects 🛠️ How It Works The module works as a multi-function audio source and decoder. Select Bluetooth, USB, SD/TF card, AUX, or FM radio as the required audio source. The module decodes the selected audio signal and provides a stereo audio output that can be connected to a compatible amplifier board. For a DIY speaker project, connect the decoder module to a suitable amplifier and then connect the amplifier to the speakers. The included IR remote can be used to control playback, mode selection, track selection, volume, and other supported functions. 🔌 Installation Connect the module to a compatible power supply according to the specifications of the particular module version. Connect the audio output to the input of a suitable amplifier board and connect the amplifier output to the speakers. Insert a compatible USB drive or SD/TF card containing supported audio files, or pair the module with a Bluetooth device. AUX input and FM radio can also be selected using the module controls or remote control. 📦 Package Includes 1 × Bluetooth MP3 Decoder Board Module with USB / SD / FM / AUX 1 × IR Remote Control 1 × Power & Signal Connecting Cable ⚠️ Precautions This module is not recommended for beginners without basic electronics knowledge. Check the module's required supply voltage and polarity before powering it. Ensure all wiring is correct before switching on the power. Connect the audio output to a compatible amplifier input. Do not connect speakers directly to the decoder output unless confirmed by the specific module version. Avoid short circuits between power and signal connections. Do not expose the board to water or excessive moisture. We are not responsible for damage caused by incorrect wiring, improper installation, or misuse.
Out of stockHome Theater Board: 2.1 Home Theatre Circuit Board Three 2030 Transistor
[Amplifier Board] Description This is a 2.1 Home Theater Amplifier Board with a capacity of 100W Audio output. Use this 2.1 board for replacement or build your own home theatre. This can be used in 2 channel sound system with one subwoofer to get full bass boost mode. Note: This kit is not for the electronics hobbyist. Proper knowledge about the subject is required to understand and make the complete project. We do not hold any responsibility for any issues or help either due to negligence, ignorance or lack of proper knowledge about the subject. Specification / Feature Stereo Digital Audio Output With TDA2030 circuit, gives high-quality sound Input voltage 12-0-12 V Input current 1.5 to 3 amp Output Power 100 Watt Connection: Connect 2 speakers and 1 subwoofer Package Includes: 1 x 2.1 Home Theater Circuit Board Three 2030 Transistor * Image is only for representations.
Mini ZVS Induction Heating Board Flyback Driver Heater DIY Cooker+ Ignition Coil
[Induction Module] power Supply Module is a high-quality module board for induction heating power supply. Features: The DC power supply voltage is 5V to 12V. Easy Installation Maximum power 120W(12V induction heating). Plug and Play operation Specifications: Input voltage: 5v-12v DC Coil Size(cm): 7×2.5cm Coil DIAmeter(cm): 2.2cm Module dimensions(cm) L x W x H: 5.5 x 3.8 x 2cm Maximum Power Consumption: 120W Package Includes: 1 x Induction Heating Power Supply Module. 1 x Heating Coil.
Out of stockHome Theater Board: 5.1 Home Theater Circuit Board Five 2030 Transistor
[Amplifier Board] High precision electronic component Home Theater Board: 5.1 Home Theater Circuit Board Five 2030 Transistor. Suitable for robotics, IoT, and embedded prototyping.
Out of stockHome Theater Board: 4.1 Home Theater Circuit Board Four 2050 Transistor With 7805
[Amplifier Board] High precision electronic component Home Theater Board: 4.1 Home Theater Circuit Board Four 2050 Transistor With 7805. Suitable for robotics, IoT, and embedded prototyping.
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 stock12v 40W Ceramic Cartridge Heater
[Heating Module] The 12v 40W Ceramic Cartridge Heater is a powerful little beast of a heater. Get rid of fragile and poor tolerance enamel resistors and switch to a purpose made high power ceramic heater cartridge. Increase the reliability of your extruder with this heater cartridge. Also, it heats up faster. It fits nicely in our extruder, so it’s an easy replacement. Get your hot end hot quickly and hit the highest of temperatures. Comes with a meter of silicone insulated high-temperature wire. Cartridge heaters consist of a cylindrical stainless steel tube and thus provide a high corrosion prevention. The heating wire inside which is wound onto a ceramic core. The choice of coils varies depending at the power, and provide an excellent uniform distribution of heat, which considerably increases the long life of the heater in addition to prevents the oxidation of the heater wire even at high temperatures. Features : Works on many 3D printers, including RepRap and Prusa models. It fits nicely in our extruder, so it’s an easy replacement. Small but powerful. Get your hotend hot quickly. This unit is a more powerful unit than the standard unit for many 3D printers. Package Includes : 1 x 12v 40W Ceramic Cartridge Heater.