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DC6V-120V 30A Lead-acid Battery Voltage Monitor, Lithium Battery Charge Discharge Controller Protection Board 1.Description: The battery charging control module is a module that controls the power supply of the charger. It can realize automatic power off after the battery voltage exceeds the preset value. 2.Feature: 1>.Su... $6.65
~~$9.50~~ SKU: GY21162-1
$6.65
~~$9.50~~
30

DIY Adjustable PWM Signal Generator, Voltage Current Temperature Tester Electronics Kit, Multifunctional LED Meter Soldering Kits for School Learning Introduction: 【 All in one Experiment DIY Kit 】The multifunctional soldering kit can measure voltage and current, temperature, logic level, circuit on-off, signal frequency and duty cycle, etc. It can also act as a PWM adjustable signa... $11.19
~~$15.99~~ SKU: GY21145-1
$11.19
~~$15.99~~
31

DC9-24V 60W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, 32G TF Card Socket MP3 WAV UART Controller for Arduino 1.Description: DY-HL50T is a DC 12V 24V 60W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal c... $9.09
~~$12.99~~ SKU: GY21191-1
$9.09
~~$12.99~~
30

4Bit Optocoupler Isolator 5V to 24V Level Voltage Converter Board PLC Signal with DIN Rail Parameter: Conversion frequency:20KHZ. Application: 1. It can be used for signal isolation 2. PLC signal level converting 3. PNP/NPN signal to NPN signal 4. Signal level voltage converter ... $5.45
~~$7.79~~ SKU: GY21221-1
$5.45
~~$7.79~~
30

LED Musical Christmas Snowman Kit, DIY Snowman Music Box with RGB LED Automatic Flicker Light, Soldering Projects for Xmas Gifts Ideas 1.Introduction: It is designed into ten different Christmas snowman cute cartoon characters, each Christmas snowman middle character is combined into "CHRISTMAS!", and there is a full color LED behind, with 14 full color LED ... $7.69
~~$10.99~~ SKU: GY21190-1
$7.69
~~$10.99~~
31

DIY Kit Automatic Flicker Acrylic 3D Christmas Tree with Gardient Full Color LED Lights, Simple Xmas Tree Kits DIY Soldering Projects 1.Introduction: This acrylic Christmas tree is a cool DIY project for the holiday decoration. It's a very simple making kit and also has a variety of LED color gradient modes. It has two Christmas trees above and each Christmas tre... $8.39
~~$11.99~~ SKU: GY21189-1
$8.39
~~$11.99~~
30

DC 5V 5W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-F5WL is a DC 3.7V-5V 5W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal can... $4.19
~~$5.99~~ SKU: GY21181-1
$4.19
~~$5.99~~
31

DC 12V 24V 20W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-F20L is a DC 9V 12V 24V 20W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal... $4.68
~~$6.69~~ SKU: GY21180-1
$4.68
~~$6.69~~
31

DC5V 5W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-SV20F is a DC 3.7V-5V 5W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal ca... $2.79
~~$3.99~~ SKU: GY21179-1
$2.79
~~$3.99~~
30

30W+30W Treble Bass Bluetooth-compatiable Amplifier Board, BLE5.1 Audio Amp 2.0 Stereo APP Control for DIY Wireless Speakers 1.Description: XY-T30L is a high-power 30W+30W Stereo Bluetooth 5.1 Audio Amplifier Module with adjustable treble/bass which also can be controlled by APP Sinilink. It can modify the Bluetooth name and password, also... $9.79
~~$13.99~~ SKU: GY21170-1
$9.79
~~$13.99~~
31

15W+15W Treble Bass Bluetooth-Compatiable Amplifier Board, BLE5.1 Audio Amp 2.0 Stereo APP Control for DIY Wireless Speakers 1.Description: XY-T15H is a 15W+15W Stereo Bluetooth 5.1 Audio Amplifier Module with adjustable treble/bass which also can be controlled by APP Sinilink. It can modify the Bluetooth name and password, also can turn ON/O... $8.81
~~$12.59~~ SKU: GY21169-1
$8.81
~~$12.59~~
30

DC-DC Adjustable Buck Boost Power Supply Module with Fan, 80W 5A Solar Charging Module, LCD Display CVCC Step UP Step Down Voltage Converter 6-36V to 0.6-36V 1.Description: XY-SK80H is a DC-DC 80W 5A CVCC Adjustable Automatic Buck Boost Power Supply Module with a new generation of larger LCD display screen. It is a non-isolated converter which supports solar charging. It can convert ... $10.39
~~$15.99~~ SKU: GY21167-1
$10.39
~~$15.99~~
35

Lossless HIFI 5.1 Bluetooth-Compatiable Audio U-Disk Decoder, DC5V Audio Receiver for DIY Speakers, Support App Remote Control 1.Description: ZK-PT2 is a Bluetooth Audio Receiver MP3 Lossless Decoder which perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as well as AUX/USB audio input. Thi... $9.09
~~$12.99~~ SKU: GY21168-1
$9.09
~~$12.99~~
30

DIY Bluetooth-Compatible Speaker Electronic Kits, Portable FM Radio DIY Kits Rechargeable Remote Control Amplifier Kits, Support USB SD Card AUX Input for Soldering Practice Description: Bluetooth-Compatible + FM Radio 2-in-1 DIY kit: Adjust the mode to Bluetooth-Compatible mode, turn on the bluetooth-compatible of your mobile phone, find "YXY-CY02E-BT", click Connect, so that you ... $27.99
~~$39.99~~ SKU: GY21108-1
$27.99
~~$39.99~~
31

DIY Kit Bluetooth-Compatible Speaker, U-disk TF Card Music Player, Audio Speaker with FM Radio Function Electronic Soldering Kits 1.Introduction: It is a pink/blue/green LED Spectrum FM Bluetooth Audio Speaker DIY Kit with Infrared Remote Control. It play music from FM/Bluetooth/U-disk/TF Card with 3W 4ohm speakers, which bring a clear a... $17.49
~~$24.99~~ SKU: GY21146-1
$17.49
~~$24.99~~
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L293D DC Motor Driver Module L293D Shield MCU Controller for ARD-UNO R3 1.Description: It is a L293D DC Motor Driver Module L293D Shield MCU Controller for ARD-UNO R3. 2.Feature: 1>.Dual output, single current 1A 2>.Suitable for DC motor such as N20 ... $16.99 SKU: GY20842-1
$16.99

FLASH 24/25 Programmer, SPI USB Automatic Programming Microcontroller for 256M/512M 24/25 Series FLASH 1.Description: It is a FLASH 24/25 Programmer SPI USB Automatic Programming Microcontroller for 256M/512M 24/25 Series FLASH. 2.Feature: 1>.Drive free, offline replication 2>.Automatically iden... $7.69
~~$10.99~~ SKU: GY20845-1
$7.69
~~$10.99~~
31

DC-DC 300W MPPT Boost Buck Voltage Converter, CVCC LCD Display Step UP/Down Power Supply Module Solar Charger 1.Description: It is a DC-DC 300W MPPT Boost Buck Voltage Converter CVCC LCD Display Step UP/Down Power Supply Module Solar Charger. It can be used in Solar charging, lithium battery charging, LED constant current drive, r... $34.99
~~$49.99~~ SKU: GY20822-1
$34.99
~~$49.99~~
30

Battery Charge Controller, DC 1V-120V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester 1.Description: It is a Battery Charge Controller DC 1V-120V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester. 2.Feature: 1>.Protect the battery from overcharge 2>.Start voltag... $9.09
~~$12.99~~ SKU: GY20772-1
$9.09
~~$12.99~~
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DC 12-36V 500W Brushless Motor Drive Controller Board, Hall BLDC Motor Control Driver Board 1.Description: It is a DC 12-36V 500W Brushless Motor Drive Controller Board with Hall Motor Balanced Vehicle Drive. 2.Parameter: 1>.Operating Voltage: DC 12V-36V 2>.Operating Current: &l... $11.19
~~$15.99~~ SKU: GY21056-1
$11.19
~~$15.99~~
31

DC 12V 12W Fan Speed Controller 0%-100% PWM Adjustable Driver Module 1.Description: The fan speed controller can be used to adjust the rotation speed of 12V server cooling fan. It has two interfaces, which are a power socket and a Type-C interface. 2.Feature: 1>.The Type-C interfac... $3.49
~~$4.99~~ SKU: GY21140-1
$3.49
~~$4.99~~
31

SW3518 USB Charging Module for QC4.0/3.0 SCP FCP PD VOOC USB Charger 1.Description: The USB Charging Module is a dual-port charging chip that supports a variety of quick charging protocols, including PPS, PD, QC, AFC, FCP, SCP, PE, SFCP, VOOC. It not only supports quick charging for A+C port arbit... $5.59
~~$7.99~~ SKU: GY21142-1
$5.59
~~$7.99~~
31

50W+50W HIFI Bluetooth-Compatible Amplifier Board, BLE5.1 Dual Channel Stereo Audio Amplifier, Support U-disk/AUX Audio APP/Infrared Remote Control 1.Description: XY-Y50L is a high-power 50W+50W HIFI Stereo Bluetooth5.1 Audio Amplifier Module which also can be controlled by APP Sinilink and remote controller. It can modify the Bluetooth name and password, also can turn ON/O... $9.09
~~$12.99~~ SKU: GY21107-1
$9.09
~~$12.99~~
30

IP6505 4USB Charging Module for QC2.0 QC3.0 FCP AFC USB Charger 1.Description: The charging module can quickly charge other devices, it supports a variety of quick charge. 2.Feature: 1>.It supports BC1.2 and Apple protocols. 2>.It supports Huawei fast charging proto... $5.78
~~$8.25~~ SKU: GY21141-1
$5.78
~~$8.25~~
30

DC 12V 3A 4Pin PWM Fan Speed Control Module Automatic Temperature Controller NTC Sensor for 3000mA Fan 1.Description: Fan speed control module automatic temperature controller can automatically adjust the speed of fan according to the actual temperature. When the temperature is too low, it can made the fan stop running. 2.Fe... $6.20
~~$8.85~~ SKU: GY21116-1
$6.20
~~$8.85~~
30

100W+100W TDA7498 High Power Amplifier, DC 12V~36V Dual Chanel HIFI Digital Audio Amplifier Board 100Wx2 1.Description: An audio amplifier board is a gadget used to amplify sound or input weak signals. 2.Feature: 1>.Gain selection. 2>.Aluminium alloys heat sink. 3>.Chip inductors. ... $11.89
~~$16.99~~ SKU: GY21117-1
$11.89
~~$16.99~~
30

Dual USB Step Down Power Supply Module Buck Voltage Converter 5V 3A Rechargeable Mini Charger Board 1.Description: The buck voltage converter is especially designed to reduce the DC voltage, and its output DC voltage is lower than the input DC voltage. 2.Feature: 1>.Support mobile phone quick charge. 2&g... $4.19
~~$5.99~~ SKU: GY21139-1
$4.19
~~$5.99~~
31

DC8V-60V Battery Voltage Monitor, Lithium Battery Undervoltage Protector Discharge Controller Protection Board 1.Description: It is a battery discharge monitor. It can be used for discharge safety protection of various accumulators and lithium batteries. It can effectively protect the battery from over-discharge, thus affecting the servic... $11.19
~~$15.99~~ SKU: GY21138-1
$11.19
~~$15.99~~
31

DC 3.3V 1.5inch IPS TFT LCD Display Module with RGB 240x280 Resolution NV3030B Driver SPI Interface 1.Description: It is a high-definition 1.5 inch TFT LCD liquid crystal display module.Its driver chip is NV3030B and SPI output. 2.Feature: 1>.TFT LCD display. 2>.High Definition. 3>.Ultra sm... $5.59
~~$7.99~~ SKU: GY21137-1
$5.59
~~$7.99~~
31

DC 5V Fan Speed Control Module, Automatic Temperature Controller NTC Sensor for 500mA Fan 1.Description: The intelligent fan temperature controller is used for adjusting the fan speed according to the actual temperature. 2.Feature: 1>.Automatic recognition of positive and negative poles. 2>.... $5.15
~~$7.35~~ SKU: GY21115-1
$5.15
~~$7.35~~
31

TWS Bluetooth-Compatiable Amplifier Module, 50Wx2+100W 2.1 Channel Audio Power Amplifier, DC 12V-24V Stereo Treble Bass Subwoofer Amp ZK... $30.79
~~$43.99~~ SKU: GY21120-1
$30.79
~~$43.99~~
31

SWD USB Programmer Downloader Emulator for STM32 Controller 1.Description: It is a 3.3V/5V SWD/USB Programmer Downloader Emulator for STM32 Controller. 2.Feature: 1>.Support SWD interface 2>.Support Virtual serial port 3>.Support all chips b... $4.68
~~$6.69~~ SKU: GY20887-1
$4.68
~~$6.69~~
31

15W+15W HIFI Bluetooth-compatible Amplifier Board, BLE 5.1 Stereo Audio Amp, U-disk/AUX Audio APP/Infrared Remote Control XY-Y15H 15W+15W HIFI Stereo Bluetooth 5.1 Amplifier Module 1... $8.39
~~$11.99~~ SKU: GY21114-1
$8.39
~~$11.99~~
30

50W+50W HIFI Bluetooth-Compatible Amplifier Board, TPA3116 BLE5.1 Stereo Audio Amp, APP/Infrared Remote Control XY-Y50H 50W+50W HIFI Stereo Bluetooth 5.1 Au... $9.35
~~$13.35~~ SKU: GY21113-1
$9.35
~~$13.35~~
30

30W+30W HIFI Bluetooth-compatible Amplifier Board, TPA3118 BLE 5.1 Stereo Audio Amp, APP/Infrared Remote Control XY-Y30H 30W+30W HIFI Stere... $9.09
~~$12.99~~ SKU: GY21112-1
$9.09
~~$12.99~~
30

DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector 1.Description: A30-U1 is a DC 99.9V Voltage Monitor Module with Delay. It can flexibly set detection upper and lower limit voltage values and set triggering conditions.It can realize functions such as voltage detection, overvoltage and... $14.99 SKU: GY21111-1
$14.99

DC 8V-100V Battery Capacity Monitor, Digital Battery Status Tester Meter, Battery Percentage Level Indicator Voltage Power Display PZEM-009 DC8V-100V Battery Capacity Monitor 1.Description: PZEM-009 is a DC8V-100V Battery Capacity Monitor which can supports Lithium iron phosphate battery and ternary polymer lithium battery, also can support multiple bat... $8.39
~~$11.99~~ SKU: GY21110-1
$8.39
~~$11.99~~
30

Battery Discharge Controller, DC 8V-86V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester 1.Description: It is a Battery Discharge Controller DC 8V-86V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester. 2.Feature: 1>.Battery overvoltage or undervoltage protection 2>... $10.49
~~$14.99~~ SKU: GY20771-1
$10.49
~~$14.99~~
30

DC 12V 24V 50W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, 64Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-HL50F is a DC 12V 24V 60W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal c... $9.45
~~$13.50~~ SKU: GY21102-1
$9.45
~~$13.50~~
31

DC 12V 24V 30W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, 64Mbit Flash MP3 WAV UART Controller for Arduino DY... $8.39
~~$11.99~~ SKU: GY21101-1
$8.39
~~$11.99~~
30

Battery Voltage Monitor, DC 12V Low Voltage Disconnect Switch Over Charge Discharge Controller Protection Board for DC 0-99.9V Lead Acid Lithium Battery 1.Description: It is a DC 0-99.9V Battery Charge Discharge Voltage Monitor. It can input voltage from DC 0-99.9V Battery with relay switch output which can controller DC or AC various equipment. It can set battery discharg... $5.59
~~$7.99~~ SKU: GY21059-1
$5.59
~~$7.99~~
31

DIY Kit RDA5807 FM Radio, Dual Channel 87-108MHz Radio Receiver Kits with 0.5W Speaker for Electronic Soldering Practice and Learning 1.Introduction: It is a 3.0V RDA5807 87MHz-108MHz FM Radio Receiver DIY Kit. It is a simple FM receiver and can be used all over the world with power by AA*2 battery. It is very suitable for users to learn electronic circuits, p... $8.39
~~$11.99~~ SKU: GY21106-1
$8.39
~~$11.99~~
30

DC8-30V Battery Capacity Monitor with Voltage Display, 2-USB Port Voltage and Power Display Meter, Suitable for Car/Boats/Electric Bicycle 1.Description: It is a DC8-30V Battery Capacity Monitor with USB/Voltage Display which can supports Lithium iron phosphate battery, lead acid battery and ternary lithium battery, also can support multiple batteries in series. ... $4.89
~~$6.99~~ SKU: GY21104-1
$4.89
~~$6.99~~
31

L298N Driver Module, 4-Channel Motor Driving Board, Intelligent Smart Car Motor Drive Board 1.Description: The 4-Channel L298N Motor Driver Module integrates two L298N chips and can simultaneously drive four DC motors, allowing control over motor direction and speed. The module includes an LM2596S voltage regulat... $6.99
~~$9.99~~ SKU: GY21057-1
$6.99
~~$9.99~~
30

8-Channel 817 Optocoupler Voltage Isolation Board Voltage Control Converter Photoelectric Isolation Module 1.Description: 1>.The module has strong anti-interference capability and opto-isolation, making it suitable for driving high-power transistors. 2>.Jumper Cap Can Achieve Output Port Is High POtential Or Pull Down ... $2.79
~~$3.99~~ SKU: GY21047-1
$2.79
~~$3.99~~
30

DIY Wooden Radio Kit, FM 88-108Mhz Radio with Battery Assembly Kit, STEM Kits for School Student Learning Teaching Description: 【SIMPLE ASSEMBLY】This kit doesn't require soldering!! The FM module is already soldered, you only need to assemble the battery, antenna, speaker and wooden cases. If you are a beginner or like to build projects, this r... $12.59
~~$17.99~~ SKU: GY21088-1
$12.59
~~$17.99~~
30

DIY Infrared Remote Control Car Kit, C51 Microcontroller Electronic Assembly and Soldering DIY Kits 1.Introduction: D2-4 is a Infrared Remote Control Intelligent Car DIY Kit. Users can control various operating states of the smart car through an infrared remote control, such as forward, turns left, turns right, stop, and also ... $6.99
~~$9.99~~ SKU: GY21099-1
$6.99
~~$9.99~~
30

DIY Kit Voice Recorder, 60Second Recording Playback Sound Board, Handmade Wooden Assembly Kits 1.Introduction: It is a Handmade DIY Wooden 60seconds Voice Recorder Kit. It uses a wooden casing to create a very primitive voice recorder/player. It can play sound/music from recorded music with the 3W 4ohm speaker produce clear and ... $10.49
~~$14.99~~ SKU: GY21105-1
$10.49
~~$14.99~~
30

DIY Kit FM Radio Module, Adjustable 76-108MHz Wireless Receiver LCD Display, DC 5V FM Digital Radio Electronic Soldering Kits 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 display the receiving frequency and it can store 22 radio stations, which is e... $15.39
~~$21.99~~ SKU: GY21098-1
$15.39
~~$21.99~~
30

Electromagnetic Transmitter DIY Kits, Mini Shooting Game Electronic Soldering Practice Kit for School Science Education Project Description: 【About the Finished Project】The diy electronic project is a DC 6V High Voltage Electromagnetic Transmitter Kit. It can simulate an electromagnetic transmitter and convert electrical energy into magnetic en... $17.49
~~$24.99~~ SKU: GY20965-1
$17.49
~~$24.99~~
30

4-Channel 817 Optocoupler Voltage Isolation Board Voltage Control Converter Photoelectric Isolation Modules 1.Description: 1>.The module has strong anti-interference capability and opto-isolation, making it suitable for driving high-power transistors. 2>.Jumper Cap Can Achieve Output Port Is High POtential Or Pull Down ... $2.09
~~$2.99~~ SKU: GY21046-1
$2.09
~~$2.99~~
31

DIY Wooden Earth Moon Sun Model Kits, Puzzle Assembly Toy and STEM Education Science Experiment Kit for Children 1.Description: The Earth-Moon-Sun Motion Demonstration Model is a simple three-sphere model that vividly depicts the relative motion between the Earth, Moon, and Sun. Children can manipulate the Earth, Moon, and Sun in the... $4.55
~~$6.50~~ SKU: GY21093-1
$4.55
~~$6.50~~
31

DC 5V Portable USB LED Night Light, Simple SMD LED Lamp DIY Kit for Beginners 1.Description: 1>.Use high-brightness, efficient LEDs with low power consumption to save energy. 2>.Each LED bead is designed to be connected in parallel independently. 3>.Transparent casing protects t... $2.37
~~$3.39~~ SKU: GY21090-1
$2.37
~~$3.39~~
30

Wooden Science DIY Kits, Electric Fluttering Butterfly for Children's STEM Education with Gear-Driven Mechanical Technology 1.Description: This small creation utilizes gears and linkages, employing two connecting rods—one end attached to the wings and the other end connected to a gear. By harnessing the power of a motor to rot... $6.99
~~$9.99~~ SKU: GY21094-1
$6.99
~~$9.99~~
30

DC 5V 4-Digit Electronic Clock DIY Kit, STC11FO4E Microcontroller Electronic Circuit Board for Soldering Practice and Learning 1.Description: This kit uses the STC11FO4E microcontroller, which is a single-clock/machine cycle (1T) microcontroller produced by STC. This microcontroller is compatible with the instruction set of traditional 8051 microc... $4.89
~~$6.99~~ SKU: GY21091-1
$4.89
~~$6.99~~
31

DIY Colorful Star-Shaped Light Handmade Science Experiment STEM Education Kits 1.Description: Dazzling star lights are a type of decoration that has a certain beautifying effect on both outdoor and indoor environments. In the urban streets or green spaces we see, this type of ligh... $6.29
~~$8.99~~ SKU: GY21096-1
$6.29
~~$8.99~~
30

4WD Racing Car DIY Kits for Primary and Secondary School Students STEM Eduction, Hands-on Assembly Science Experiment Kits 1.Description: This is a racing car model that features a cool appearance, high manufacturing quality, and fast driving speed. It provides an opportunity for children to develop their hands-on skills and nurtures their cur... $6.29
~~$8.99~~ SKU: GY21095-1
$6.29
~~$8.99~~
30

24V 4 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description: It is a 24V 4 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter: 1>.Power supply: 24V 2>.Static current: 0mA 3>.Single c... $7.99 SKU: GY21084-1
$7.99

24V 2 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description: It is a 24V 2 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter: 1>.Power supply: 24V 2>.Static current: 0mA 3>.Single c... $3.74
~~$4.99~~ SKU: GY21083-1
$3.74
~~$4.99~~
25

12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description: It is a 12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter: 1>.Power supply: 12V 2>.Static current: 0mA 3>.Single c... $3.59 SKU: GY21082-1
$3.59

5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 1.Description: It is a 5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 2.Parameter: 1>.Power supply: DC 5V 2>.Input signal: High-level (PNP), Low-level (... $10.99 SKU: GY21080-1
$10.99

SMD LED Microcontroller Flashing Light DIY Kit, DC 5V Heart Shaped Red LED Electronic Soldering Practice Kit 1.Description: This kit consists of a combination of 32 LEDs that emit multi state cyclic flashing light. Eight 10 pins are used to control the flashing of 32 LEDs according to the program settings. S1 is the start stop sw... $2.44
~~$3.49~~ SKU: GY21070-1
$2.44
~~$3.49~~
31

256 SMD 0805 Red LED Display DIY Kits, SMD Soldering Practice and Learning Kits for Microcontroller-based DIY Projects 1.Description: This kit consists of 256 0805 SMD LED display units, which can display any character of 256 pixels, such as Chinese characters, using row and column scanning. The kit comes with a microcontroller that has be... $4.89
~~$6.99~~ SKU: GY21069-1
$4.89
~~$6.99~~
31

81-LED Thumbs-Up Flashing Light DIY Kits, Interesting Like Circulating Water Running Lamp Soldering Practice Kits for STEM Teaching and Learning 1.Description: This is a thumb light like pattern electronic kit composed of 81 LEDs. After power on, the pattern presents various flashing effects of water lights. The button S1 is the power switch, and S2 can adjust the ... $3.14
~~$4.49~~ SKU: GY21068-1
$3.14
~~$4.49~~
31

64-SMD 0805 Red LED Dot Matrix Display Electronic Soldering Practice Kit 1.Description: This kit consists of 64 0805 SMD LED display units, which can display any character of 64 pixels, such as numbers, using a row and column scanning method. The kit comes with a microcontroller that has been b... $2.45
~~$3.50~~ SKU: GY21066-1
$2.45
~~$3.50~~
30

DIY Negative Feedback Amplifier Circuit Kit with Capacitor-Coupled Analogue Electronic Technology Training Parts 1.Description: 1>.The negative feedback amplification circuit kit has good stability, which can effectively suppress distortion and noise, and improve sound quality. 2>.The RC coupled analog electronic technology ... $2.37
~~$3.39~~ SKU: GY20989-1
$2.37
~~$3.39~~
30

Waterproof 0.56inch DC Digital Voltage Meter, DC5-130V Green LED Battery Volt Meter Gauge Voltage Display for Golf Cart Car, Boats 1.Description: It is a DC5-130V Waterproof Battery Voltage Meter. Its biggest feature is the use of internal injection molding design to achieve waterproof purposes, which is that it can penetrate water for a long time for use. 2.... $4.55
~~$6.50~~ SKU: GY21015-2
$4.55
~~$6.50~~
31

Waterproof 0.56inch DC Digital Voltage Meter, DC5-130V Blue LED Battery Volt Meter Gauge Voltage Display for Golf Cart Car, Boats 1.Description: It is a DC5-130V Waterproof Battery Voltage Meter. Its biggest feature is the use of internal injection molding design to achieve waterproof purposes, which is that it can penetrate water for a long time for use. 2.... $4.55
~~$6.50~~ SKU: GY21015-3
$4.55
~~$6.50~~
31

DIY Kit Red Chinese Knot Analog Electronic Circuit, LED Light Kits for Soldering Skill Practice and Learning 1.Description: It is a simple mini Red Chinese Knot LED Flash Lamp DIY kit. The circuit is controlled by a DX158 LED driver chip, which can achieve automatic switching and cyclic playback of multifunctional light flashing ... $3.49
~~$4.99~~ SKU: GY21067-1
$3.49
~~$4.99~~
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SMD LED Components Soldering Practice Board Soldering Skill Training Kit 1.Description: This is a electronic soldering practice kit consisting of 88 SMD components . No function, with class, name, and grade record labels on the back, suitable for beginners or electronics majors to improve... $2.51
~~$3.59~~ SKU: GY21072-1
$2.51
~~$3.59~~
30

D2-8 Intelligent Tracking Line Smart Car DIY Kits, Fun STEM Kits for School Students Electronic Soldering Learning Practice Kits 1.Description: It is a D2-8 Intelligent Tracking Line Smart Car Soldering Electronic Parts Practice Soldering Learning Electronics Kit. Please note: Batteries appeared in picture are not included. PCB color was differe... $6.99
~~$9.99~~ SKU: GY21073-1
$6.99
~~$9.99~~
30

71-LEDs Blessing Light with Running Water Effect, DC 5V LED Light Electronics Kits for Soldering Practice School Students STEM Teaching and Circuit Learning 1.Description: This is a Chinese " Fú (福) " pattern electronic kits composed of 71 LEDs. The microcontroller program has been burned and turned on. Press the stroke to turn on the water flow light, and the... $3.91
~~$5.59~~ SKU: GY21065-1
$3.91
~~$5.59~~
30

LED Red Double Happiness Light DIY Electronics Kit 84pcs LEDs Light Kits for Soldering Skill Learning and Practice 1.Description: This is a Red Double Happiness welding kit composed of 84 LEDs. The microcontroller program has been burned and turned on. Press the stroke to turn on the water flow light, and then it will flash multiple ti... $3.68
~~$5.25~~ SKU: GY21064-1
$3.68
~~$5.25~~
31

LED Electronic Windmill Water Flowing Light Electronic DIY Kits for Beginners 1.Description: This is a patterned windmill welding kit consisting of 43 LEDs. The microcontroller program has been burned and powered on. Nine types of animation playback switches are achieved through the screen swi... $3.49
~~$4.99~~ SKU: GY21063-1
$3.49
~~$4.99~~
31

LED Circular Pentagram Water Flowing Light Electronic DIY Kits, Soldering Project for School Students STEM Teaching and Circuit Learning 1.Description: This is a Circular start electronic kit composed of 80 LEDs. There are few types of components, which is an excellent choice for beginners, electronics enthusiasts, and retirees who want to learn and improve... $3.49
~~$4.99~~ SKU: GY21062-1
$3.49
~~$4.99~~
31

DIY Kit HC-SR04 Ultrasonic Automatic Obstacle Avoidance Intelligent Car, STEM Electronic Kits for School Students Learning Competition DIY Project 1.Introduction: HU-046 is a HC-SR04 Ultrasonic Automatic Obstacle Avoidance Intelligent Car DIY Kit. The car automatically advances, and when the sensor senses an obstacle in front, it automatically turns left or right, or even ... $11.19
~~$15.99~~ SKU: GY21074-1
$11.19
~~$15.99~~
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6A 3 Series 18650 Lithium Battery Protection Board 10.8V 11.1V 12V 12.6V Overcharge Overcurrent Protection Module 1.Description: Equipped with over charging, over discharging, over current, and short circuit protection functions Suitable for 3.7V lithium batteries of various capacities and shapes Small si... $3.00
~~$4.29~~ SKU: GY21041-1
$3.00
~~$4.29~~
30

DC 12V 24V 30W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, Support 32G TF Card Socket, MP3 WAV UART Controller for Arduino &nb... $9.09
~~$12.99~~ SKU: GY21061-1
$9.09
~~$12.99~~
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3.7V to 5V/9V/12V 2A Boost/Buck Lithium Battery Charger and Discharger with Adjustable Voltage 1.Description: 1>.Up to 1A programmable linear charging current 2>.Used for a single 3.7V lithium battery, fully charged with 4.2V 3>.Constant current/constant voltage charging with over temperature pr... $2.79
~~$3.99~~ SKU: GY21036-1
$2.79
~~$3.99~~
30

3A Boost Buck Charging Module for 2/3/4-Cell Batteries 1.Description: 1>.Support 1-4 series of lithium-ion batteries 2>.Resistance adjustment of charging current (input and battery terminals) 3>.3A maximum charging current 4>.Resistance regulat... $5.59
~~$7.99~~ SKU: GY21035-1
$5.59
~~$7.99~~
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