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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 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 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... $8.63
$11.99 SKU: GY19201
$8.63
$11.99
 29

LM317 Adjustable Voltage Regulator Kit, AC-DC 110V to 1.25V-12V Step Down Module, DIY DC Power Supply Electronic Kit for Education 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... $14.59
$19.99 SKU: GY19372
$14.59
$19.99
 27

DIY Kit Ultrasonic Suspension Electronic Learning Kits Mini Acoustic Levitator Standing Wave Controller 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... $17.51
$23.99 SKU: GY20451-1
$17.51
$23.99
 27

LED Rhythm Light DIY Kit Sound Control Music LED Flashing Melody Light Electronic Soldering Practice Kits 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 ... $4.37
$5.99 SKU: GY19483
$4.37
$5.99
 27

Voice Record Module 8M Programmable Voice Playback Module Button Control USB Update Music with Charging Circuit 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 LCD Display FM Radio Soldering Kits with 5W 8ohm Speaker DIY Kit 76-108MHz Wireless FM Radio Receiver 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 ... $9.50
$22.99 SKU: GY20385
$9.50
$22.99
 59

DIY RGB 3D LED Ball Light Kit WS2812B Colorful LED Flashing Sphere Soldering Kits for Welding Practice Project 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... $33.57
$45.99 SKU: GY20390
$33.57
$45.99
 28

RDA5807 FM Radio Receiver DIY Kit with RGB Flashing LED Indicator 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 ... $19.00
$37.99 SKU: GY20384
$19.00
$37.99
 50

DIY Electronic Whack-a-Mole Game Kit Reaction Speed Tester DIY Soldering Practice Kits 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.    &... $14.59
$19.99 SKU: GY20363
$14.59
$19.99
 27

DIY Heart Shaped Rotating Led 4-Bit Digital Electronic Clock Kit, Date Time Temperature Display Alarm Clock DIY Soldering Kits 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 ... $13.86
$18.99 SKU: GY20350
$13.86
$18.99
 27

DIY Ferris Wheel Model Kit, Rotary LED Blinking Light, Electronic Soldering Kit SMD SMT Practice Kit 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... $21.89
$29.99 SKU: GY20371
$21.89
$29.99
 27

Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay 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 ... $13.59
$15.99 SKU: GY19918
$13.59
$15.99

TM1638 Key Switch Digital Tube LED Display Module 8-Digit Digital Tube LED Button Compatible with Ardiuno/51 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 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.... $11.04
$12.99 SKU: GY19936
$11.04
$12.99

DIY Electronic Wind Chime LED Light Kit, Swing Bell Flashing LED Light DIY Soldering Kit with Acrylic shell 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... $11.67
$15.99 SKU: GY20362
$11.67
$15.99
 27

2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module 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... $9.34
$10.99 SKU: GY19935
$9.34
$10.99

DC 6V-30V 30A NTC Temperature Controller with NTC 10K Sensor 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... $15.99
$19.99 SKU: GY20361
$15.99
$19.99

Tesla Coil DIY Kit, Touchable Plasma Ball Spark Gap Arc Generator for Physics Teaching Science Experiment 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... $54.39
$74.50 SKU: 13219
$54.39
$74.50
 27

High Temperature Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 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... $16.99
$19.99 SKU: GY20337
$16.99
$19.99


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