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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~~
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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~~
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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~~
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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~~
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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~~
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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 4 DC motors, allowing control over motor direction and speed. The module includes an LM2596S voltage regulator ... $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 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~~
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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 energy... $17.49
~~$24.99~~ SKU: GY20965-1
$17.49
~~$24.99~~
30

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~~
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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~~
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