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12V DC Digital Temperature Controller, WiFi APP Control High Temperature Control Module -99°C~999°C 24V Thermostat Control Switch Board with 10A One-Channel Relay Waterproof K-Type Thermocouple Probe About this item: 【APP CONTROL】Are you also worried about whether your heating equipment is working properly when you are not at home? Comes with a WiFi module, just connect to the WiFi network once and download the APP, ... $16.49
~~$21.99~~ SKU: GY20338
$16.49
~~$21.99~~
25

50mm Silent Cooling Fan 12V 0.08A 5010 5012 DC Brushless Quiet for 3D Printer PC Computer Case Fan, 4200 RPM High 11.89 CFM Description: 50x50x12 mm silent cooling fan, 12v, 4200 RPM, 11.89 CFM. They are durable and you don't need to buy another small fan in the next 20,000 hours. Use these 23 dB cooling fans to get near-silent operatio... $8.99
~~$11.99~~ SKU: GY19201
$8.99
~~$11.99~~
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LM317 Adjustable Voltage Regulator Kit, AC-DC 110V to 1.25V-12V Step Down Module, DIY DC Power Supply Electronic Kit for Education Introduction: It is an AC-DC 110V to 1.25V-12V LM317 Adjustable Step Down Power Supply Buck Voltage Converter LED Display DIY Kit. It can output stable voltage. Users can change output by operating a potentiometer.&nbs... $19.99 SKU: GY19372
$19.99

DIY Kit Ultrasonic Suspension Electronic Learning Kits Mini Acoustic Levitator Standing Wave Controller 1.Description: This is a mini ultrasonic levitation device that can suspend foam balls. The device consists of a single chip microcomputer,a driver chip and two ultrasonic probes. Mainly used for students or DIY electronics e... $17.75
~~$23.99~~ SKU: GY20451-1
$17.75
~~$23.99~~
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LED Rhythm Light DIY Kit Sound Control Music LED Flashing Melody Light Electronic Soldering Practice Kits 1.Description: It is a sound control rhythm flashing light. With the sound of music or other sounds,the LED lights flash and move in accordance with the rhythm of the sound (the speed of the sound). After the ... $4.43
~~$5.99~~ SKU: GY19483
$4.43
~~$5.99~~
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Voice Record Module 8M Programmable Voice Playback Module Button Control USB Update Music with Charging Circuit 8M Voice Record Module 1.Description: It is a 8M Programmable Voice Record Module Button Control USB Update Music with Charging Circuit. User can update music just like a U-disk to remove and replay new music. It can ... $12.74
~~$16.99~~ SKU: GY20461
$12.74
~~$16.99~~
25

DIY Kit 76-108MHz Wireless FM Radio Receiver Chargeable LCD Display FM Radio Soldering Kits with 5W 8ohm Speaker LCD Display FM Radio Receiver DIY Kit (Battery Excluded) 1.Introduction: It is an 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. It has a built-in high-definition display LCD display screen which can clearly ... $16.09
~~$22.99~~ SKU: GY20385
$16.09
~~$22.99~~
30

DIY RGB 3D LED Ball Light Kit WS2812B Colorful LED Flashing Sphere Soldering Kits for Welding Practice Project Open source project URL https://www.instructables.com/Christmas-LED-Sphere/ 1.Introduction: It is a WS2812B RGB Gradient LED Sphere DIY Kit. Users can write their own code to display the lighting effect they wa... $34.03
~~$45.99~~ SKU: GY20390
$34.03
~~$45.99~~
26

RDA5807 FM Radio Receiver DIY Kit with RGB Flashing LED Indicator RDA5807 87-108MHz FM Radio Receiver LCD1602 DIY Kit 1.Introduction: It is an RDA5807 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit with RGB spectrum indicator flashing automatically. It has a blue ... $26.59
~~$37.99~~ SKU: GY20384
$26.59
~~$37.99~~
31

DIY Electronic Whack-a-Mole Game Kit Reaction Speed Tester DIY Soldering Practice Kits 1.Introduction: It is a Electronic Whack-a-Mole Game DIY Kit. It Can be used as a rapid response tester. The higher the score, the better the reaction speed. Reflexes can also be exercised with frequent such tests. &... $14.79
~~$19.99~~ SKU: GY20363
$14.79
~~$19.99~~
26

DIY Heart Shaped Rotating Led 4-Bit Digital Electronic Clock Kit, Date Time Temperature Display Alarm Clock DIY Soldering Kits 1.Introduction: TJ-56-513B is a Heart Shaped Rotating Led 4Bit Digital Electronic Clock DIY Kit. It will display current date, time, temperature in the real time, hourly reminder, alarm clock music and led animation. User can set ... $14.05
~~$18.99~~ SKU: GY20350
$14.05
~~$18.99~~
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Portable Solar Hand Crank AM/FM/WB NOAA Radio Receiver With Multifunctional Flashlight Emergency Power Bank Supply Feature: 1.This is a self power emergency radio that you and your family can depend on, anytime anywhere, any weather 2.Multifunctional: Weather Radio,LED flashlight,power bank 3.Offers a choice of self-charge, solar and external r... $36.49
~~$49.99~~ SKU: P52955
$36.49
~~$49.99~~
27

DIY Ferris Wheel Model Kit, Rotary LED Blinking Light, Electronic Soldering Kit SMD SMT Practice Kit 1.Introduction: It is a Electronic Ferris Wheel DIY Kit with Red/Blue/Green/Yellow LED flashing in 10 animation mode which can be switch by remote control. It can simulate the working state of the Ferris wheel very realistically... $29.99 SKU: GY20371
$29.99

Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay 1.Description: It is a single relay module. The single channel relay module is equipped with a mature and stable 8-bit MCU and RS485 level communication chip. Using standard MODBUSRTU format RS485 communication protocol, it can ... $14.07
~~$15.99~~ SKU: GY19918
$14.07
~~$15.99~~

TM1638 Key Switch Digital Tube LED Display Module 8-Digit Digital Tube LED Button Compatible with Ardiuno/51 1.Description: It is a TM1638 button digital tube.The chip used in the module is TM1638,which integrates the common peripheral circuits of the above three single-chip microcomputers.The biggest feature is that it only needs to o... $9.22
~~$12.29~~ SKU: GY20213
$9.22
~~$12.29~~
25

1 Channel Self-Locking Switch High Level Trigger 12V Relay Module 1.Description: It is a 12V self-locking relay module.When the K terminal is in contact with the positive pole,the state of the relay is reversed.Touch it once,the relay is closed,and touch it again,the relay is released. 2.... $11.43
~~$12.99~~ SKU: GY19936
$11.43
~~$12.99~~

DIY Electronic Wind Chime LED Light Kit, Swing Bell Flashing LED Light DIY Soldering Kit with Acrylic shell Electronic LED Wind Chime DIY Kit 1.Introduction: It is a Electronic LED Wind Chime DIY Kit. It simulates the swing of the wind chime through the flashing of the LED. It is a very interesting DIY electronic product which enables u... $10.39
~~$15.99~~ SKU: GY20362
$10.39
~~$15.99~~
35

2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module 1.Description: It is a 2-Bit 12V relay module. It is suitable for various platforms such as 51/AVR/AVR/ARM, and can control various household appliances and high current loads. 2.Feature: 1).The contact part of the... $9.67
~~$10.99~~ SKU: GY19935
$9.67
~~$10.99~~

DC 6V-30V 30A NTC Temperature Controller with NTC 10K Sensor 1.Description: XY-DT01 is a 30A NTC Temperature Controller. It can be widely used at Smart home,Industrial control. Automatic irrigation, Indoor ventilation. Protection equipment for DIN35 rail. High precision digital display and... $13.99
~~$19.99~~ SKU: GY20361
$13.99
~~$19.99~~
30

Tesla Coil DIY Kit, Touchable Plasma Ball Spark Gap Arc Generator for Physics Teaching Science Experiment Parameter: Product Name: Spark Gap Tesla Coil DIY Kit Work Voltage: DC 12V~36V Work Power: 60W-80W Arc length: about 10cm Work Temperature: -40℃~85℃ Work Humidity: 5%~95%RH Size (Installed): 150*150*410mm About this DIY... $55.13
~~$74.50~~ SKU: 13219
$55.13
~~$74.50~~
26

High Temperature Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller XY-T04 High Temperature Controller 1.Description: XY-T04 is a K-type digital high temperature controller module. It can be widely used at Smart home,Industrial control, Automatic irrigation, Indoor ventilation. Protection equipment... $17.59
~~$19.99~~ SKU: GY20337
$17.59
~~$19.99~~

3D LED Digital Wall Clock, Time Date Temperature Display Nightlight Alarm Clock, 9.5'' 12/24 Hours Electronic Desktop Clock Adjustable Brightness 3D LED Digits Display With large 3D LED digit, you can read the real time in a long distance. Very suitable for older people and Children. This alarm clock has 12/24 Hour Display Can be placed on the table or hung on the wall: ... $24.50 SKU: GY19495-1
$24.50

DIY 3D Light Cube 4x4x4 RGB LED Electronic Soldering Kit, USB Charging Colorful Music 3D Animation Light Cube Ornament with Remote Control for Practice Soldering Parameter: Work Voltage:DC 4.5V-5.5V Work Current:100mA Power Type:MINI USB Control Type:Infrared Remote Control + Button Control Music Type:Pure Music Music: 11kinds(Can not be modified) ... $13.31
~~$17.99~~ SKU: 14091
$13.31
~~$17.99~~
26

5PCS 2-Port USB DC-DC Step Down Charging Module 3A Dual USB Output Regulated Charging Board 1.Description: It is a step-down charging module. It supports the conversion of input voltage DC 6V-26V into DC 5.2V.Supports regulated output. 2.Feature: 1).It is compatible with a variety of mobile phone models. ... $9.48
~~$12.99~~ SKU: GY20148
$9.48
~~$12.99~~
28

0.36 Inch 4-Digit LED Digital Tube Display Module DC 3.3V-5.5V 4Bits Adjustable Brightness LED Display Board 1.Description: It is a 0.36 inch display module.Its driver chip is TM1637,and only 2 signal lines are needed to enable the single-chip microcomputer to control a 4-bit 8-segment digital tube. 2.Feature: 1).The cont... $8.99
~~$11.99~~ SKU: GY20210
$8.99
~~$11.99~~
26

MAX7219 Dot Matrix Module Blue LED Display Control MCU Module 4 in 1 Display with 5P Line 1.Description: It is a MAX7219 dot matrix module.The AX7219 is an integrated serial input/output common cathode display driver that connects a microprocessor with an 8-digit 7-segment digital LED display,and can also be connecte... $13.49
~~$17.99~~ SKU: GY20211-1
$13.49
~~$17.99~~
25

6 Channel SPDT Switch Module, DC 24V Relay Module, AC 270V with Isolated Optocoupler DIN Rail Mount High and Low Level Trigger DC 24V 6 Channel SPDT Relay Module With Isolated Optocoupler and DIN Rail Mount Introduction: It is a Q14F 24V Pluggable 6Bit SPDT Power Relay Module. It includes 6pcs intermediate relay with SPDT output control terminal. It is ... $23.75
~~$26.99~~ SKU: GY20262
$23.75
~~$26.99~~

DC 3.3V 5V MAX7219 Digital Tube 8-Digit 0.36 Inch Red LED Display Module 1.Description: It is a MAX7219 digital tube display module.MAX7219 is an integrated serial input/output common-cathode display driver.It connects a microprocessor and an 8-digit 7-segment digital LED display.It can also connect ... $8.99
~~$11.99~~ SKU: GY20209
$8.99
~~$11.99~~
26

60 Seconds Light Control Voice Sound Recording Module Button Battery Powered for DIY Gift Music Greeting Cards 1.Description: It is a light control recording module. After the recording is finished,the module sensor will play the recorded sound once when it senses the light, and the playback can be stopped when the light is blocked. ... $11.44
~~$15.25~~ SKU: GY20181
$11.44
~~$15.25~~
25

2.0 Inch TFT Display Module IPS HD 240x320 ST7789V Driver Serial Port TFT Module 1.Description: It is a 2.0 inch TFT display module.TFT liquid crystal has a semiconductor switch for each pixel,and each pixel can be directly controlled by dot pulses,so each node is relatively independent and can be continuous... $13.86
~~$18.99~~ SKU: GY20127
$13.86
~~$18.99~~
27

12V Battery Undervoltage Management Module Battery Load Power-off Protection Switch 1.Description: It is a undervoltage protection switch.When the battery voltage is lower than the set value,the module will disconnect power to the load;when the battery voltage is restored,the module will continue to supply powe... $9.31
~~$12.75~~ SKU: GY20082
$9.31
~~$12.75~~
28

Step-down Module Regulated Power Supply Module DC 8V-80V to DC 3.3V/5V Voltage Converter 1.Description: It is a step-down module.It supports the output of the input voltage DC 8V-80V to DC 3.3V/5V.It is suitable for USB5V/3.3V powered devices such as mobile power supplies,mobile phones,and tablets. ... $10.21
~~$13.99~~ SKU: GY20147
$10.21
~~$13.99~~
27

XH-M203 Water Level Controller Water Level Switch Liquid Level Pump Controller Fully Automatic Control Module 1.Description: It is a water level controller.When the water level is higher than the upper line,it will automatically stop adding water,without manual management,fully automatic. 2.Feature: 1).It is ... $10.49
~~$13.99~~ SKU: GY20124
$10.49
~~$13.99~~
26

DC 3V-5V FM Transmitter Module CJMCU-4713 SI4713 I2C Interface 1.Description: It is a FM transmitter module.Based on the first-class Si4713, this breakout board is an all-in-one stereo audio FM transmitter.Connect your home controller to the I2C data cable to set the transmission frequenc... $14.99
~~$19.99~~ SKU: GY20094
$14.99
~~$19.99~~
25

LC-01 51 AVR Programmer ISP USBASP Downloader Onboard ATMega8 (L) Chip 1.Description: It is a USBASP downloader. This product can be directly connected to the computer USB port, a real USB downloader product, through which it connects to the target board, can download and program the single-chip ... $10.31
~~$13.75~~ SKU: GY20087
$10.31
~~$13.75~~
25

USB to TTL Serial Board Support 5V/3.3V/1.8V Level Conversion Board FT232RL Serial Port Module 1.Description: It is a USB to TTL serial port.It supports 5V/3.3V/1.8V three level switching,VCC/TX/RX/RTS/CTS/DTR/DCD/RI/ can be switched.It is input via USB and output via TTL interface. 2.Feature: ... $11.24
~~$14.99~~ SKU: GY20086
$11.24
~~$14.99~~
26

Single Button Bistable Relay Module DC 12V Car Modification Switch One-key Start-Stop Self-Locking 1.Description: It is a steady state relay module.You can make the relay module pull on or off by pressing the button on the module,or an external button,press it to pull it in,and then press it to disconnect,the button is low lev... $11.08
~~$12.59~~ SKU: GY20041
$11.08
~~$12.59~~

DC 4.5V-6V 0.2s-300minutes Delay Relay Module Power-off Delay Disconnect Switch 1.Description: It is a power-off delay relay module.When the module senses the signal voltage input,the relay turns on;when the signal voltage stops input,the relay turns off after a period of delay.It can be used for signal m... $13.72
~~$15.59~~ SKU: GY20036
$13.72
~~$15.59~~

10PCS USB Power Wire 100cm 5V USB Cable 1.Description: It is a 100cm USB power wire with built-in two wires and specially provide extended output for USB power supply. The wire at the other end is directly soldered to the PCB or spliced with other wires. &... $7.69
~~$9.99~~ SKU: GY20300
$7.69
~~$9.99~~

DIY Kit Memory Training Game Machine DIY LED Electronic Teaching Practice Competition Assembly Kits 1.Introduction: This is a simple game machine that can exercise your memory. The game has a total of 99 levels. You can pass the level by listening to the sound or looking at the color. Press the "START&quo... $16.65
~~$22.50~~ SKU: GY20222
$16.65
~~$22.50~~
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