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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.
16mm Ultrasonic Humidifier Atomizer Disc Piezoelectric Mist Maker Transducer Module 108KHz
[Ultrasonic Sensor] The 16mm Ultrasonic Humidifier Atomization Module is a high-efficiency piezoelectric transducer designed for mist generation and humidification applications. It operates using ultrasonic vibration technology to convert water into ultra-fine mist particles quickly and efficiently. In addition, the module works on the principle of ultrasonic cavitation, where high-frequency sound waves generate rapid compression and rarefaction inside the water. As a result, microscopic water droplets are released into the air as cool mist. Because of its 108KHz resonant frequency, the atomizer produces fine and uniform fog particles while maintaining low noise operation. Furthermore, the compact 16mm design allows easy integration into humidifiers, aroma diffusers, medical atomizers, and DIY mist generation systems. The atomization disc is built using durable piezoelectric material for long operational life and stable performance. Moreover, the module consumes very little power while providing efficient mist output. ⚠️ Note: This atomizer module requires a compatible ultrasonic driver board for operation. The driver circuit is not included in the package and must be purchased separately. This ultrasonic humidifier module is widely used in humidifiers, beauty care devices, medical atomization equipment, aroma diffusers, and DIY electronics projects. 🔹 Key Features 16mm ultrasonic atomizer disc High-frequency 108KHz operation Fine and uniform mist generation Low noise operation Small fog particle output Long operational life High stability performance Low power consumption Suitable for humidifier and mist maker projects 🔹 Technical Specifications Product Type: Ultrasonic Atomizer Transducer Module Atomizer Diameter: 16mm Operating Voltage: DC 3.7V –5V Resonant Frequency: 108KHz Resonant Impedance: < 2 Ohms Coupling Factor: > 52% Electrostatic Capacity: 3000pF Spray Quantity: > 110mL/h Operation Type: Ultrasonic Piezoelectric Atomization Fog Particle Type: Ultra-Fine Mist Noise Level: Low Noise Operation Material: Piezoelectric Ceramic + Metal 🔹 Working Principle The ultrasonic atomizer uses a piezoelectric transducer immersed in water. When driven at high frequency, the transducer creates rapid mechanical oscillations that generate cavitation bubbles and surface waves. Consequently, microscopic water droplets are released into the air as cool mist with minimal energy consumption. 🔹 Applications This ultrasonic atomizer module is suitable for many applications, including: Humidifiers Mist makers Aroma diffusers Medical atomizers Facial beauty equipment DIY humidification projects Decorative fog systems 🔹 Package Includes 1 × 16mm Ultrasonic Humidifier Atomization Sensor Module
Type-C USB Mini Humidifier DIY Kit 4 in 1 | 4-Fogger Mist Maker Module | Ultrasonic Atomizer Film Sheet with Driver Board
[Ultrasonic Sensor] The Type-C USB Mini Humidifier DIY Atomizer Kit is a compact ultrasonic mist generation module designed for building or repairing USB-powered humidifiers, aroma diffusers, and fogging systems. Powered directly from a 5V USB Type-C source, the kit features a high-performance driver board and four ultrasonic ceramic atomizer discs that generate a dense, cool mist with low power consumption. Using advanced 108KHz ultrasonic atomization technology, the module converts water into ultra-fine mist particles without producing heat or mechanical noise. The stable driver circuit ensures reliable oscillation, efficient mist production, and long service life, making it an excellent choice for DIY enthusiasts, students, makers, repair technicians, and electronics hobbyists. Simply connect the module to a 5V USB Type-C power source, place the atomizer discs in water, and enjoy instant cool mist generation. It is compatible with custom humidifier enclosures, bottles, containers, 3D-printed projects, hydroponic systems, and decorative fog applications. ⭐ Features USB Type-C powered (5V DC) Four ultrasonic ceramic atomizer discs High-density cool mist output Advanced ultrasonic atomization technology Stable driver circuit for reliable operation Low power consumption Silent operation with no moving parts Compact and lightweight design Easy plug-and-play installation Ideal for DIY humidifiers and aroma diffusers 📋 Technical Specifications Product Type: USB Ultrasonic Humidifier Driver Kit Power Input: USB Type-C Female Operating Voltage: DC 4.5V–5V Input Voltage: 5V USB Operating Current: 300mA (Typical) Power Consumption: 2.5W–3W Rated Power: 2W Operating Frequency: 108KHz ±2KHz Atomizer Quantity: 4 Ceramic Atomizer Discs Atomization Technology: Ultrasonic Mist Output: High Density Fine Mist Driver Board: Ultrasonic Oscillation Control Module Cooling Method: Natural Cooling Power Connector: USB Type-C Female Socket Material: Ceramic Atomizer Discs + PCB Driver Board 🔧 Applications Suitable for: DIY USB Humidifiers Aroma Diffusers Replacement Humidifier Modules Decorative Fog Makers Hydroponic Systems Smart Garden Projects Terrariums & Vivariums Indoor Plant Humidification Science & Educational Projects Prototype Development DIY Electronics Projects 📦 Package Includes 1 × Ultrasonic Driver Circuit Board 4 × Ceramic Ultrasonic Atomizer Discs ⚠️ Note Use only clean water for optimal performance and longer atomizer life. Do not operate the module without water. Product images are for illustrative purposes only. The actual product may vary slightly depending on the manufacturing batch.
Type-C USB Ultrasonic Mist Maker Humidifier – 5V Atomizer Module with 108KHz Disc & PCB
[Ultrasonic Sensor] The Type-C USB Ultrasonic Mist Maker Humidifier Module is a compact and efficient atomization device designed for humidification and mist generation applications. It uses advanced ultrasonic technology to produce a fine and continuous mist, helping improve air moisture and indoor comfort. In addition, the module operates using a 108KHz high-frequency ceramic atomizer disc, which ensures stable mist generation with low noise and efficient performance. As a result, it is suitable for personal humidifiers, aroma diffusers, facial beauty equipment, and DIY mist projects. Because of its convenient Type-C USB power interface, the module can be powered easily using USB adapters, power banks, laptops, and other 5V USB power sources. Furthermore, the compact PCB design allows easy integration into portable and custom-built humidifier systems. The module also features low power consumption and reliable operation for continuous use. Moreover, the built-in safety protection helps automatically stop operation when the water level becomes too low. This ultrasonic mist maker is widely used in humidifiers, mist generators, aromatherapy devices, beauty care equipment, and medical atomization systems. 🔹 Key Features Ultrasonic mist generation technology 108KHz ceramic atomizer disc Convenient Type-C USB power input Fine and continuous mist output Compact and lightweight design Low power consumption Quiet operation Automatic low water protection Suitable for DIY humidifier projects 🔹 Technical Specifications Product Type: Ultrasonic Mist Maker Module Input Voltage: 5V DC Power Interface: Type-C USB Operating Frequency: 108KHz Atomization Mode: Continuous Power Consumption: Less than 3W Mist Output: Adjustable Operating Temperature: 5°C to 45°C Storage Temperature: -10°C to 60°C Material: PCB + Ceramic Atomization Film Humidity Range: Non-Condensing Application Type: Humidifier / Mist Generator 🔹 Applications This ultrasonic mist maker module is suitable for many applications, including: Portable humidifiers DIY mist generators Aroma diffusers Facial beauty equipment Medical liquid atomizers Air moisture control systems Decorative mist projects 🔹 Package Includes 1 × Humidifier Driver Board 1 × 16mm Atomizer Plate 1 × Cotton Stick Stand 1 × Cotton Stick
Arduino Uno R3 CH340G ATMega328P Development Board Compatible with Arduino
[Arduino Boards, Development Board] Product Description The Uno R3 CH340G ATmega328p Development Board is the low-cost version of the popular Uno R3 Arduino. It is assembled with the CH340 USB to Serial converter chip, instead of using an Atmega16U2 chip. We have used plenty of these low-cost Arduino boards with CH340 chips, and have found them to work perfectly. The only time the CH340 chip is used is during programming and when using the serial output of the USB port. During normal operation, this board is identical to the more expensive version without CH340 chip. Features The Arduino Uno R3 is a micro-controller board base on the ATmega328 . It has 14 digital input/output pins (of which 6 can be used as PWM outputs); 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything need to support the micro-controller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get start. The Arduino Uno R3 differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) program as a USB-to-serial converter. Revision 2 of the Uno board has a resistor pulling the 8U2 HWB line to ground, making it easier to put into DFU mode. Note: The Arduino Uno R3 reference design can use an Atmega8, 168, or 328, Current models use an ATmega328, but an Atmega8 is shown in the schematic for reference. The pin configuration is identical on all three processors. Package Includes 1 x Arduino Uno R3 CH340G ATMega328P Development Board
Mini MP1584 DC-DC 3A Adjustable Buck Module
[Step Down Buck Converter] The Mini MP1584 DC-DC 3A Adjustable Buck module is ultra small adjustable 0.8V to 20V output DC to DC step-down Buck converter that uses an MP1584EN high frequency switching regulator and integrated high voltage power MOSFET. It features a soft start, thermal shutdown, and under-voltage lockout (UVLO) to protect the module from operating at insufficient supply voltage. Small size, lightweight, low internal power consumption, and wide input voltage range of 4.5V to 28V make this module suitable for a variety of different applications where small size and lightweight voltage conversion is needed, including RC cars and airplanes, quadcopters, robotics, Arduino modules, and DIY devices. Applications: DIY 8051 / AVR / ARM / PIC / Arduino / Raspberry-Pi projects Robotics Breadboard power supply Manual speed adjustment of small DC motors Power Supply for RC project planes, cars, helicopters Universal Battery Elimination Circuit (UBEC) for 2S-6S lipo battery pack Receiver/servo power supply Communications equipment power supply Mobile equipment power supplies Note: PCB board color may be different from the actual product. Features: Wide 4.5V to 28V Operating Input Range High-Efficiency Pulse Skipping Mode for Light Load Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor
Out of stock0.1uF 50V -104 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stock0.01uF 50V -103 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stock0.0022uF 50V -222 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stock0.001uF 50V -102 Ceramic Capacitor – DIP
[Through Hole Capacitor] This Through Hole Mount (DIP) Multilayer Ceramic Capacitor is made of ceramic dielectric in which a number of interleaved metal electrodes are contained. It is very low cost, and used mostly for reducing the noise or filtering on data lines, power lines etc. Applications: Consumer electronics, for example Tuners, Television receivers, All types of cameras Telecommunications Data processing Features: Supplied in tape on reel Nickel-barrier end termination RoHS compliant Halogen Free compliant
Out of stockESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino
[ESP Modules] This is ESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino. This small WIFI transceiver is the perfect solution for home Automation and IoT applications. It can be the replacement of your NRF24L01, it can talk to your WIFI router directly through the UART MCU’s (Rx, Tx). The ESP-12 module is one of the most complete of the ESP family as it allows you to use the biggest amount of pins of all of them. You can program this module to work stand alone with the Arduino IDE or with LUA as NodeMCU. The system is equipped with ESP8266 manifested leading features are: energy saving VoIP quickly switch between the sleep/wake patterns, with low-power operation adaptive radio bias, front-end signal processing functions. The ESP8266-03 is one of the smallest versions of this module. It includes a built-in ceramic antenna. Features : WS2812 Led on board. 802.11 b/g/n Wi-Fi Direct (P2P), soft-AP Integrated TCP/IP protocol stack Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, DCXO and power management units +19.5dBm output power in 802.11b mode Power down leakage current of <10uA Integrated low power 32-bit CPU could be used as an application processor SDIO 1.1 / 2.0, SPI, UART STBC, 1×1 MIMO, 2×1 MIMO A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) Access Point and Station Modes. Package Includes : 1 x ESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino
Out of stockAD20P-1230C Ultra-Quiet DC 12V 3M 240L/H Brushless Submersible Water Pump with Cable 45cm
[DC Water Pump] A brushless dc pump is a 12v or 24v mini bldc motor drive dc water pump that uses magnetic force to rotate its impeller to pressurize and transport water for fluid lifting, booster, and circulation system. It is a kind of typical mechatronic product. You might be searching for a pump that operates on 12 V and gives an output of above 240L/H then this could be the best choice for your project. This Ultra-Quiet DC 12V 3M 240L/H Brushless Submersible Water Pump is a low-cost, small size Submersible Pump. It can take up to 240 liters per hour with a very low current consumption from 300mA. Just connect the tube pipe to the motor outlet, submerge it in water, and power it. The black color pump comes with a heavy-duty cable and a 5mm DC female jack at the end to connect directly to the 12V power supply. It is widely used in prototype projects as well as for decoration purposes. Features: Brand new and high quality. Brushless, permanent magnetic rotor. Super long working life(more than 30000 hours). Adopt high performance ceramic shaft. The axis is enclosed with static sealing, not dynamic, which can avoid leaking problems. Amphibious design. Submersible installation and entirely waterproof. low consumption Packages Includes: 1 x Brushless Submersible Water Pump
Out of stockMT3608 2A Max DC-DC Step Up Power Module Booster Power Module
[Step UP Buck Converter] The MT3608 2A Max DC-DC Step Up Power Module Booster Power Module is a low-cost module that can step-up a 2 to 24V input voltage up to a 5 to 28V output at up to 2A. DC-DC boost converters step up the input voltage to a higher voltage while also stepping down the available current since the module cant output more power than its inputs. This boost converter is adjustable and capable of outputting a voltage in the range of 5.0 to 28V at a continuous current of up to 1.5A depending on input/output voltage settings with 1A available with most settings. Since it is a boost converter, the input voltage must be lower than the output voltage. The device is able to use low ESR bulk ceramic capacitors rather than electrolytic caps which avoids long-term aging concerns and contributes to the compact packaging. The MT3608 converter IC has over-current and thermal limiting features built-in to safely shut the device down if driven too hard. Voltage Adjustment:- The module has a single-turn potentiometer for adjustment of the output voltage. Turning the pot CW decreases the output voltage while turning it CCW increases the output voltage. The upper limit of the adjustment range will depend on the input voltage and the load. With a 9V input for instance, at 1A, the upper voltage limit will be approximately 20V. Module Connections:- These are compact boards with 4 solder pads for making connections. VIN+ = Input Voltage VIN- = Ground VOUT+ = Output Voltage VOUT- = Ground. Connected to VIN- on the module. Note:- The input voltage should not exceed the maximum input voltage. Peak current output current is not more than 2A for input & output. Please be noted that the output voltage should be higher than the input voltage. Features :- Its efficient by up to93%. It can source a good amount of current. It is an inexpensive converter module. Its simple to adjust to get your desired increase in voltage. Specifications :- Input Voltage (V) 2 ~ 24 Output Voltage(V) 5 ~ 28 Output Current(A) 2 Operating Temperature (C) -40 to +90 Efficiency 93% Length (mm) 37 Width (mm) 17 Height (mm) 7 Weight (gm) 4 Package Includes : 1 Piece MT3608 2A Max DC-DC Step Up Power Module Booster. * Product Images are shown for illustrative purposes only and may differ from actual product.
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.