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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
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.
High Temperature Kapton Tape 50mm 33 Mtr – Premium Polyimide Insulation Tape up to 300°C
[Kapton Tapes] The High Temperature Kapton Tape 50mm x 33M – Premium Polyimide Insulation Tape up to 300°C is a professional-grade heat-resistant tape designed for demanding industrial, electronics, and engineering applications. Manufactured from high-quality polyimide film with a silicone adhesive, this tape delivers outstanding thermal stability, chemical resistance, and electrical insulation—making it an essential tool for soldering, 3D printing, lithium battery assembly, transformer insulation, and PCB wave solder masking.With a broad temperature tolerance reaching up to 300°C, this Kapton tape ensures secure performance without melting, shrinking, or leaving residue. Its 50mm width and long 33-meter roll provide excellent coverage for large surfaces, making it ideal for laboratories, manufacturing units, repair technicians, and DIY electronics enthusiasts. ✅ Features: Premium polyimide Kapton tape with silicone adhesive High temperature resistance up to 300°C Excellent for PCB solder masking, 3D printer heated beds, and battery insulation Provides strong electrical insulation and chemical stability Leaves no residue when removed after heating Ideal for industrial, laboratory, and DIY electronics Tear-resistant, flame-retardant, and long-lasting performance 50mm wide and 33-meter roll for large-area insulation and protection Package Includes: 1 x High Temperature Kapton Tape 50mm 33 Mtr – Premium Polyimide Insulation Tape up to 300°C
Passive Diaphragm Radiator Speaker Accessories Showcase Speaker Repair Parts
[Passive Radiator] Product Description: Model: 88 48 Low Frequency Vibration Plate Type: Sound film, diaphragm Material: Rubber Size: 88*48mm Net weight: 35 grams The bass radiator is also called a passive speaker. It is used to replace the inverted tube. The subwoofer made with the radiator has the following advantages compared with the traditional inverted subwoofer. The low frequency diving depth is equal to the back type, but the speed is the same. In this sense, it is faster than the inverted type, using the advantage of a certain closed box, and at the same time completely eliminating the disadvantage of the inverted structure-that is, the wind noise brought by the inverted nozzle. Package Includes: 1 x Passive Diaphragm Radiator Speaker Accessories Showcase Speaker Repair Parts
Kapton 25mm x 33m High Temperature Resistant Tape
[Kapton Tapes] Kapton tape is a polyimide film first developed by DuPont in the 1960s. It remains stable at an extremely wide range of temperatures from -269˚C to 260˚C and has been an industry-standard due to its excellent electrical, thermal, chemical and mechanical properties. This enables the film to withstand extreme temperatures, vibration, and other demanding environments. This Kapton 50mm x 33m High-Temperature Resistant Tape for 3D Printers is a polyester film tape with a high-temperature resistant adhesive. Primarily used to hold transfer sheets in place while sublimating onto a variety of items and hold the polymer plate on the heating platen in the hot foil stamping. Excellent heat & solvent resistance. Minimal shrinkage after baking and clean removal. Due to Kapton tape’s large range of temperature stability and electrical isolation ability, it is used during the manufacturing and final assembly of electronic components. It acts as a protective layer that isolates and prevents the electrostatic discharge of sensitive components, also protecting and restraining components during high temp applications and reflow soldering procedures. ABS and Kapton adhere extremely well to one another, making Kapton tape a perfect 3D printing bed surface layer. It is usually applied to a glass or aluminum bed surface, where extruded ABS filament adheres to the surface. Specification and Features: Material: Polyimide Spindle Type: Roll Tape Length: 33m TapeWidth: 25mm Colour: Metallic Brown Temperature Range: 200ºC High-quality product from a well-known brand Package Includes: 1 x Kapton 25mm x 33m High-Temperature Resistant Tape for 3D Printers Note: Product Images are shown for illustrative purposes only and may differ from the actual product
Kapton 50mm x 33m High Temperature Resistant Tape for 3D Printers
[Kapton Tapes] The Kapton Polyimide Tape is a premium high-temperature insulating tape designed for electrical insulation, PCB masking, soldering, battery pack assembly, and 3D printing applications. Manufactured from high-quality polyimide film with a heat-resistant silicone adhesive, it provides exceptional thermal stability, excellent dielectric strength, and reliable insulation even under extreme temperatures. Measuring 50mm wide and 33 meters long, this tape is widely used as a build surface for 3D printers, where ABS and other engineering-grade filaments adhere well during printing while allowing clean removal after cooling. It also serves as an excellent masking tape during wave soldering, powder coating, and electronic component assembly. The tape offers outstanding resistance to heat, chemicals, abrasion, and solvents, leaving minimal adhesive residue after removal. Its excellent electrical insulation properties make it suitable for transformers, lithium battery packs, motors, coils, flexible PCBs, and various industrial applications. ⭐ Features Premium polyimide (Kapton) film construction High-temperature resistant silicone adhesive Excellent electrical insulation properties Strong adhesion with residue-free removal High dielectric strength Resistant to heat, chemicals, and solvents Flexible and easy to apply Ideal for 3D printer heated beds Suitable for solder masking and PCB protection Long service life 📋 Technical Specifications Product Type: High Temperature Polyimide Tape Material: Polyimide Film Adhesive Type: Silicone Adhesive Tape Width: 50mm Tape Length: 33 Meters Roll Type: Standard Roll Color: Metallic Brown (Amber) Temperature Resistance: Up to 200°C (Continuous) Electrical Insulation: High Dielectric Strength Residue After Removal: Minimal Application Surface: Glass, Aluminum, Metal, Plastic, PCB 🔧 Applications Suitable for: 3D Printer Heated Beds ABS 3D Printing PCB Manufacturing Wave Soldering Masking Reflow Soldering Lithium Battery Pack Insulation Transformer Insulation Motor Coil Insulation Flexible PCB Protection Electronics Repair Powder Coating Masking Laboratory Applications Industrial Electrical Insulation DIY Electronics Projects 📦 Package Includes 1 × Kapton Polyimide High Temperature Resistant Tape (50mm × 33 Meter)
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
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
DC5V Humidifier USB Spray Module DIY Incubation Experiment Equipm 108KHz(mist maker)
[Ultrasonic Sensor] Description This DC Ultrasonic Humidifiers Power Circuit Board with Atomizing Chip Moisture Film Humidification atomization machine consists of an atomization plate tablet with a diameter of 20mm. This Ultrasonic Humidifier Piezoelectric Transmitter module works on the principle of cavitation produced by sound waves. Just provide the DC 3V to 5V power supply it will turn into a mini ultrasonic atomizer. As sound waves contain compression and rarefaction. Due to extremely rapid movement, water droplets can no longer sustain their liquid state and get converted into vapor immediately. This vibration is produced by a piezoelectric filament. Tags, USB Humidifier Atomization Driver Board PCB Circuit Board 5V Spray Incubation, Tags, OEM/ODM Available Mini Humidifier USB spray module humidifier pcb circuit board for DIY kit Incubation Experiment Equipment, USB Humidifier Atomization Driver Board PCB Circuit Board 5V Spray Incubation, 5V DIY Ultrasonic Piezoelectric Humidifier Moisture Atomizing Chip Mist maker circuit board. Features Come with a driver Power-ON trigger work 108KHz high-frequency oscillator Micron level aperture The glazed surface of the atomized sheet Features/Specs: Product Name: 108KHz 20mm USB Humidifier Work Voltage: DC 4.5V~5.0V Work Power:2W Work Frequency:108KHz(+/-3KHz) Power Type: Female USB Socket Diameter without rubber ring:16mm Diameter with rubber ring:20mm Spray Diameter:5um Spray Hole:740 holes Spray speed:50ml/h Work Temperature:0℃ ~ 85℃ Work Humidity:10%~90%RH Driver Size:35*19*15mm Length: 35 mm Width: 19 mm Height: 15 mm Weight: 10 gm Application: Humidifier | mist maker Beauty care for facial massager Medical liquid atomizing Equipment Package Includes: 1pc x Humidifier Driver Bord 1pc x 16mm Atomizer Plate 1pc x Cotton Stick Stand 1pc x Cotton Stick
Out of stock12-84V or 7-120V Battery Power Display Meter Lithium Battery Power Display GY-6GS Green Battery Indicator Pro
[Battery Capacity Tester] Introducing 12-84V or 7-120V Battery Power Display Meter design to accurately monitor battery capacity. This 12-84V or 7-120V Lithium Battery Capacity Meter GY-6GS Green Display is ideal for a range of applications to ensure precise voltage and capacity reading. It is also compatible with lithium and iron lithium battery. This meter also provide real time data with a bright, clear LCD screen. This Lithium Battery Capacity Meter feature a use friendly double button design for quick setup. It allows users to manually switch between battery percentage, voltage, and power off functions. The automatic cycling display and settable auto off function enhance convenience and efficiency. With the 12-84V or 7-120V GY-6GS battery capacity meter, you get an intuitive and reliable tool. The waterproof surface and long-lasting buttons add to its durability. Its alarm function alerts you when the power drops below 20%, ensuring optimal battery management. Features Wide Voltage Compatibility: This Battery capacity meter display support a wide voltage range from 12-84V or 7-120V . It accurately measures and display both lithium and lead acid battery level. Clear and Intuitive Display: The high quality LCD with green backlit ensure visibility from every angle. It clearly shows battery percentage, voltage, and status in various lighting condition. User Friendly Design: It is also equipped with a comfortable, long lasting button and waterproof PVC film. The built in buckle allow for easy screw free installation on various device. Safety and Convenience Feature: The backlight flashes an alarm when power drops to 20% or below. It include a switch to turn off power & prevent from consumption when not in use. Customizable Settings: Easily set preferences with the double button design in just seconds. The meter features automatic and manual display cycles, auto off delay, and dual discharge curve option. Specification Voltage Range: 7-120V Battery Type Compatibility: Lithium Battery, Display Type: LCD Display Color Background: Green Measurement Accuracy: ±1% Operating Temperature: -10°C to 65°C Power Consumption: <20mA Dimensions: 61mm x 33mm x 13mm Setting Instruction of 12-84V or 7-120V Battery Power Display Meter Lithium Battery Power Display GY-6GS Green Battery: Long press the Set key, power supply to the product, enter the setup interface Press the Set key to select the battery specification ( Lithium battery (L), Fe battery(F), Lead Acid(P)) Short press the Function key to select the number of battery strings (increasing for the set button, decreasing for function button) Long press the Function key to set s mode. 12-84V or 7-120V any model can dispatch depends on stock. Package Contains : 1 x 7-120V Battery Power Display Meter Lithium Battery Power Display GY-6GS Green Lithium Battery
680K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 680K Ohm Carbon Film Resistor. This resistor is for through-hole applications. Resistance: 680K Ohm Max. Working Voltage: 250 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C
470K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 470k Ohm Carbon Film Resistor for through-hole applications. These WMF series Metal Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 470k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
330K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 330K Ohm Carbon Film Resistor. This resistor is for through-hole applications. Resistance: 330K Ohm Tolerance: 5% Max. Working Voltage: 250V Temperature Coefficient of Resistance: 50PPM/°C
220K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 220K Ohm Carbon Film Resistor. This resistor is for through-hole applications.
5.6K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 5.6k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 5.6k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
1.2K Ohm Metal Film Resistor
[Through Hole Resistor] It is a 1.2k Ohm Metal Film Resistor. This resistor is for through-hole applications.
15K Ohm Metal Film Resistor
[Through Hole Resistor] It is a 15k Ohm Metal Film Resistor. This resistor is for through-hole applications.
1.5K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 1.5k Ohm Carbon Film Resistor. This resistor is for through-hole applications.
33K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 33k Ohm Carbon Film Resistor. This resistor is for through-hole applications.
330 Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 330 Ohm Carbon Film Resistor. This resistor is for through-hole applications. Resistance: 330 Ohm Tolerance: 5% Max. Working Voltage: 250V Temperature Coefficient of Resistance: 50PPM/°C
47K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 47k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 47k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
4.7K Ohm Carbon Film Resistor
[Through Hole Resistor] We have 4.7k Ohm Carbon Film Resistor for through-hole applications. These WMF series Carbon Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System and are insulated with layers of lacquer ensuring a very stable resistive medium having a very low-temperature coefficient. Resistance: 4.7k Ohm Max. Working Voltage: 350 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C Operating Temperature Range: -40ºC to 125ºC
68K Ohm Carbon Film Resistor
[Through Hole Resistor] It is a 68k Ohm Carbon Film Resistor. This resistor is for through-hole applications. Resistance: 68K Ohm Max. Working Voltage: 250 V Tolerance: 5% Temperature Coefficient of Resistance: 50 PPM/°C
