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71-LEDs Blessing Light with Running Water Effect, DC 5V LED Light Electronics Kits for Soldering Practice School Students STEM Teaching and Circuit Learning 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
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LED Red Double Happiness Light DIY Electronics Kit 84pcs LEDs Light Kits for Soldering Skill Learning and Practice 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
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LED Electronic Windmill Water Flowing Light Electronic DIY Kits for Beginners LED Electronic Windmill Water Flowing Light Electronic DIY Kits for Beginners 1.Description:     This is a patterned windmill soldering 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 s... $3.49
$4.99 SKU: GY21063-1
$3.49
$4.99
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LED Circular Pentagram Water Flowing Light Electronic DIY Kits, Soldering Project for School Students STEM Teaching and Circuit Learning 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
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DIY Kit HC-SR04 Ultrasonic Automatic Obstacle Avoidance Intelligent Car, STEM Electronic Kits for School Students Learning Competition DIY Project 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 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
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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 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 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
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3A Boost Buck Charging Module for 2/3/4-Cell Batteries 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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3.7V 4.2V to 5V 18650 Lithium Battery Charging Module USB Boost Board Mobile Power Board DIY 3.7V 4.2V to 5V 18650 Lithium Battery Charging Module USB Boost Board Mobile Power Board DIY 1.Description:   1>.Ultra small size, almost all mobile power supply enclosures can be easily installed   2>.Support lithium battery undervoltage protection and output short circuit protection   3>.Ultra low... $3.75
$5.35 SKU: GY21042-1
$3.75
$5.35
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2A 5V Lithium Battery Charging Boosting Module with Protection Board TYPE-C Battery Charging Power Step Up Module 2A 5V Lithium Battery Charging Boosting Module with Protection Board TYPE-C Battery Charging Power Step Up Module 1.Description:   1>.Small volume and high power   2>.With double layer charging and discharging protection   3>.5V automatic switching between charging and discharging   4>.Maximum 3.1A output curr... $3.91
$5.59 SKU: GY21034-1
$3.91
$5.59
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Positive And Negative DC Regulated Power Supply DIY Electronic Kit, 3 Terminal Regulated 9V Dual Power Module Assembly Kits Positive And Negative DC Regulated Power Supply DIY Electronic Kit, 3 Terminal Regulated 9V Dual Power Module Assembly Kits 1.Description:    It is a Positive and Negative DC Regulated Power Supply DIY Electronic kit, 3 Terminal Regulated 9V Dual Power Board Module.   2.Key points for installing the stabilizer block:   1>... $6.99
$9.99 SKU: GY21032-1
$6.99
$9.99
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Gate Circuit Combinational Logic Circuit Analysis Assembly Testing DIY Kits Gate Circuit Combinational Logic Circuit Analysis Assembly Testing DIY Kits 1.Description:    The main function of the kit is to analyze, assemble, and test gate circuits and combinational logic circuits. It can be used for vocational college skill training, skill assessment, vocational single enro... $10.49
$14.99 SKU: GY21031-1
$10.49
$14.99
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DIY Imitate Glow Tube Clock Kit Full Color RGB Glow Tube Clock DIY Imitate Glow Tube Clock Kit Full Color RGB Glow Tube Clock     $31.49
$44.99 SKU: GY21027-1
$31.49
$44.99
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DIY Hearing Aid Electronic Kit Amplifier Circuit Experimentation Soldering Assembly and Hands-On Learning DIY Hearing Aid Electronic Kit Amplifier Circuit Experimentation Soldering Assembly and Hands-On Learning 1.Description:    Hearing aid is also called deafness hearing hearing is composed of microphone,front low amplifier，power amplifier circuit and other parts，this kit combines the circuit and the actual situation design and p... $2.51
$3.59 SKU: GY21030-1
$2.51
$3.59
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DC 5V Motorcycle Anti-theft Vibration Alarm Circuit DIY Kit DC 5V Motorcycle Anti-theft Vibration Alarm Circuit DIY Kit 1.Description:    This is a motorcycle anti-theft vibration alarm circuit composed of CD4801, which can effectively prevent your motorcycle from being stolen. Whenever someone tries to move your vehicle or start the motorcy... $2.79
$3.99 SKU: GY21021-1
$2.79
$3.99
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DIY Kit Flame Fire Monitoring And Detection Module Automatic Alarm Household Fire Protection System DIY Electronic Kit DIY Kit Flame Fire Monitoring And Detection Module Automatic Alarm Household Fire Protection System DIY Electronic Kit 1.Description:    The circuit uses an infrared receiving diode as the sensor for flame detection. It is powered by a 5V DC voltage and can be tested by simulating a warehouse fire with a lighter at a distance of 30cm above ... $2.79
$3.99 SKU: GY21020-1
$2.79
$3.99
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30 Segment Audio Rhythm Dual Color LED Light Kit, Music Spectrum Volume Level Indicator Electronic DIY Kit 30 Segment Audio Rhythm Dual Color LED Light Kit, Music Spectrum Volume Level Indicator Electronic DIY Kit 1.Description:   1>.It can automatically adjust the brightness and color according to the rhythm of the sound, enhancing the atmosphere of the music scene.   2>.It can adjust the rhythm high and low to adapt to di... $8.39
$11.99 SKU: GY21028-1
$8.39
$11.99
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DIY LED Desk Lamp Kit with 12V Lighting - Electronic Circuit Board Soldering Practice DIY LED Desk Lamp Kit with 12V Lighting - Electronic Circuit Board Soldering Practice 1.Description:   1>.High-brightness LED, provides sufficient illumination for a comfortable and efficient work or study experience.   2>.Low power consumption, saves on electricity costs while making usage more en... $4.19
$5.99 SKU: GY21029-1
$4.19
$5.99
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Intelligent Automatic Watering System Science Experiment DIY Humidity Sensor Wood STEM Kit Intelligent Automatic Watering System Science Experiment DIY Humidity Sensor Wood STEM Kit 1.Description:   After this automatic watering system is powered on, it will determine whether to pump water to water the flowers based on the signal returned by the soil moisture sensor. During use, the LED light will go out in... $11.89
$16.99 SKU: GY21025-1
$11.89
$16.99
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Intelligent Human Body Induction Fan Sensor Learning DIY Kits for Primary and Secondary School Students Scientific Experimental Teaching Intelligent Human Body Induction Fan Sensor Learning DIY Kits for Primary and Secondary School Students Scientific Experimental Teaching 1.Description:   This human body sensing fan automatically turns on the fan when the human body sensing module senses someone. When a person leaves the human body sensing module, the fan will automatic shutdown, very intelligent... $5.95
$8.50 SKU: GY21024-1
$5.95
$8.50
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DIY Kit Power Amplifier Speaker Sound Protection Circuit Board Startup Delay DC Detection Electronic DIY Kits DIY Kit Power Amplifier Speaker Sound Protection Circuit Board Startup Delay DC Detection Electronic DIY Kits 1.Description:    The horn protection board has the functions of power on delay (about 3 seconds) and DC protection (starting voltage is about 1V). The board circuit is simple, easy to make, and job security and reliable to... $4.19
$5.99 SKU: GY21023-1
$4.19
$5.99
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DIY Kit Mono TDA7293 7294 Amplifier AC12-36V Subwoofer High-power Amplifier Board DIY Kit Mono TDA7293 7294 Amplifier AC12-36V Subwoofer High-power Amplifier Board 1.Description:    The circuit is a standard circuit, stable and reliable.    The filtering adopts a voltage withstand voltage of 50V and a capacity of 2200uf large electrolysis.    Power supply v... $5.59
$7.99 SKU: GY21022-1
$5.59
$7.99
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Infrared Induction Switch DIY Kit Automatic Hand Dryer Faucet Control Module Infrared Induction Switch DIY Kit Automatic Hand Dryer Faucet Control Module 1.Description:    This kit includes an infrared proximity switch, automatic hand dryer, and automatic faucet control module, all equipped with high-precision sensors for non-contact automatic sensing. The automatic hand dry... $4.19
$5.99 SKU: GY21019-1
$4.19
$5.99
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8 Channel Water Running Lamp DIY Electronic Kit SMD Practice Kits for Soldering Skill Trainning Learning 8 Channel Water Running Lamp DIY Electronic Kit SMD Practice Kits for Soldering Skill Trainning Learning 1.Description:    8-channel sequential extinguishing flow light effect, adjustable speed, eye-catching visual effect.    The circuit uses CD4060 as the oscillation and frequency division control component, whi... $3.91
$5.59 SKU: GY21018-1
$3.91
$5.59
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AC 110V Motor Forward Reverse Controller 16A Motor Drive Module AC 100V 220V Limit Switch AC 110V Motor Forward Reverse Controller 16A Motor Drive Module AC 100V 220V Limit Switch 1.Description:   It is a motor forward and reverse controller.It can control the forward and reverse rotation of the single-phase AC motor,and the signal input can be connected to the sensor/MCU/PLC/switch. 2.Feature:  ... $7.69
$10.99 SKU: GY20639
$7.69
$10.99
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DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller 1.Description:   It is a latching relay module.It has 5 relay channels and can connect 5 loads. 2.Feature:   1).The self-locking relay module has a power indicator and a working indicator,and the working status of the ... $11.99 SKU: GY20640
$11.99

DC 3.5-16V 5.8GHz Microwave Radar Active Induction Sensor Module DC 3.5-16V 5.8GHz Microwave Radar Active Induction Sensor Module 1.Description:     1>.High sensitivity and long sensing distance;   2>.Reliable and wide sensing angle;   3>.Wide power supply voltage range;   4>.Adopting planar antenna for transmission and ... $4.19
$5.99 SKU: GY21000-1
$4.19
$5.99
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8M Recordable Voice Play Module, Button Control Sound Module With Volume Adjustment and USB Data Cable For DIY Music Gift Box Greeting Card 8M Recordable Voice Play Module, Button Control Sound Module With Volume Adjustment and USB Data Cable For DIY Music Gift Box Greeting Card Product Introduction: 1.Power Supply Voltage:4.5-5V or 3.7V lithium battery; Output 0.5-1W 2.Capacity:8M 3.Board Size: 30X30mm 4.Speaker Diameter:m36mm 5.Memory Card Slot:Micro SDXC 6.Supported forma... $6.99
$9.99 SKU: GY18094
$6.99
$9.99
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DV 5V USB Mini Humidifier Mini Oscillating Atomizer Mist Maker Driver Circuit Board DV 5V USB Mini Humidifier Mini Oscillating Atomizer Mist Maker Driver Circuit Board 1.Description:   1>.5V USB ultrasonic mist maker driver board and atomizer plate.   2>.Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency.   3>.Round ring atomizer pla... $4.19
$5.99 SKU: GY20995-1
$4.19
$5.99
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FM Bluetooth-Compatible Audio Receiver MP3 Decoder Lossless AUX/U-disk/TF Card Music Player FM Bluetooth-Compatible Audio Receiver MP3 Decoder Lossless AUX/U-disk/TF Card Music Player 1.Description:   It is a FM Bluetooth Audio Receiver MP3 Lossless Decoder which perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as well as FM/AUX/USB/TF card audio input. Th... $12.45
$17.79 SKU: GY21014-1
$12.45
$17.79
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DIY Kit for Liquid Level Controller with Water Tank Level Detection and Automatic Pumping Module - Electronic Soldering Skill Practice Kits DIY Kit for Liquid Level Controller with Water Tank Level Detection and Automatic Pumping Module - Electronic Soldering Skill Practice Kits 1.Description:   1>.Accurate water level detection;   2>.Effective protection from external conditions;   3>.Programmable control strategies;   4>.Multiple protection functions;   5>.Auto... $4.55
$6.50 SKU: GY20992-1
$4.55
$6.50
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433MHz Wireless Module HW3000 RF Module SPI Interface SI4432 CMT2300 Serial Transceiver 433MHz Wireless Module HW3000 RF Module SPI Interface SI4432 CMT2300 Serial Transceiver 1.Description:   1>.Communication distance of 1000 meters;   2>.Small volume;   3>.Can replace ordinary 433MHz modules;   4>.Support FSK and GFSK modulation modes;   5>.Support automatic ... $4.19
$5.99 SKU: GY21011-1
$4.19
$5.99
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GT-U7 GPS Module Navigation Satellite Positioning Compatible with NEO-6M 51 MCU STM32 GT-U7 GPS Module Navigation Satellite Positioning Compatible with NEO-6M 51 MCU STM32 1.Description:   1>.Equipped with a USB interface, you can directly use your phone's data cable to view the positioning effect on the computer;   2>.USB direct connection to the computer, which means the upper com... $9.09
$12.99 SKU: GY21007-1
$9.09
$12.99
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DIY Kit Music Audio Spectrum Indicator AUX MIC Peak Hold Voice Control Level Light LM3914 Electronic Soldering Practice Kits DIY Kit Music Audio Spectrum Indicator AUX MIC Peak Hold Voice Control Level Light LM3914 Electronic Soldering Practice Kits 1.Introduction: FED-301K is a Audio Spectrum Indicator DIY Kit. It can display in Red/Green according to the input audio signal from microphone or AUX audio socket.It can be used to display the intensity of audio.The number of LED disp... $6.99
$9.99 SKU: GY21012-1
$6.99
$9.99
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OCL Amplifier DIY Kits 100w Dual Channel Stereo Sound Amplifier Board OCL Amplifier DIY Kits 100w Dual Channel Stereo Sound Amplifier Board 1.Description:    This OCL high power 100W dual channel amplifier board welding kit comes with 4 high power transistors and two independent stereo channels.    OCL circuit is highly stable and has wide frequency r... $5.59
$7.99 SKU: GY20987-1
$5.59
$7.99
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Green LED Power Indicator DIY Kit Battery Electricity Display Kits Green LED Power Indicator DIY Kit Battery Electricity Display Kits 1.Description:   1>.It has high precision LM3914 analog voltage detection, users can accurately know the remaining battery power.   2>.The power display range is adjustable, and the display range can be adjusted accor... $2.79
$3.99 SKU: GY20994-1
$2.79
$3.99
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DIY Kit LM317 Adjustable Voltage Regulator With LED Meter DIY Kit LM317 Adjustable Voltage Regulator With LED Meter 1.Description:   1>.LM317 adjustable DC voltage regulator diy kit with fixed three-terminal voltage regulation circuit, easy to use;   2>.Wide voltage adjustment range, good voltage stabilization performance, low nois... $6.29
$8.99 SKU: GY20986-1
$6.29
$8.99
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DIY Kit Bluetooth-Compatible Amplifier, 87.0-108.0MHz FM Radio Receiver Kit, U-disk/TF Card Music Player Module with Battery DIY Kit Bluetooth-Compatible Amplifier, 87.0-108.0MHz FM Radio Receiver Kit, U-disk/TF Card Music Player Module with Battery 1.Introduction:   It is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit with Red/Green spectrum indicator flashing automatically.   It has a blue 4Bit segment display screen which can clearly display the receivi... $25.89
$36.99 SKU: GY20924-2
$25.89
$36.99
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DC 24V 100dB Electronic Alarm with Strob Red Light, High Decibel Electronic Beep Buzzer for Car Alarm Home Security System DC 24V 100dB Electronic Alarm with Strob Red Light, High Decibel Electronic Beep Buzzer for Car Alarm Home Security System Description:   BJ-3 is a DC 24V 100dB Audible Visual Alarm. It works as Red Flashing and High Decibel Buzzer after power ON. It can be used for on-site audible and flashing alarms. Features:   Loud Sound Alarm Wit... $4.19
$5.99 SKU: GY20964-1
$4.19
$5.99
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