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DIY FM Wireless Microphone Kits 88MHz-108MHz FM Transmitter Electronic DIY Soldering Kits DIY FM Wireless Microphone Kits 88MHz-108MHz FM Transmitter Electronic DIY Soldering Kits Product Introduction: Frequency Range:88MHz-108MHz Operating Voltage: DC 3V (please use CR2032 button battery) PCB Material:FR-4 glass fiber board PCB Specification:48*26mm  thickness 1.6mm I. Schematic Diagram: &nbs... $2.09
$2.99 SKU: 9648
$2.09
$2.99
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DIY Kit 18 LEDs Heart-Shaped Red Green Dual-Color Happy Birthday Music Gift Kits DIY Kit 18 LEDs Heart-Shaped Red Green Dual-Color Happy Birthday Music Gift Kits Description : 1) It is DIY kit. User need to weld it. 2) It can display green and red. 3）18pcs LED automatic flashing alternately with music “Happy Birthday to you”.   Schematic : ... $2.09
$2.99 SKU: 4990
$2.09
$2.99
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DIY Kit AC/DC-DC LM317 Adjustable Step Down Power Supply Voltage Converter Electronic Soldering Kits DIY Kit AC/DC-DC LM317 Adjustable Step Down Power Supply Voltage Converter Electronic Soldering Kits 1.Introduction: TJ-56-24 is a AC/DC-DC LM317 Adjustable Buck Power Supply Electronic Soldering DIY Kit. It can input AC<=17V or DC<=25V and adjustable output DC 1.25V-12V within 1A. It is a very interesting DIY electr... $2.09
$2.99 SKU: GY20867-1
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DIY Kit Analog Electronic Candle Lights Happy Birthday Thermal Sensor MIC Sound Control Simulation Candle DIY Kit Analog Electronic Candle Lights Happy Birthday Thermal Sensor MIC Sound Control Simulation Candle Description:   This circuit simulates the use of real candles, is lit with fire, and blown out with a mouth. Light up and play your happy birthday song, stop playing the music when it blows out.   The analog electronic ca... $2.09
$2.99 SKU: 13816
$2.09
$2.99
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DIY Kit Brightness Light Detector Dark Alarm Photosensitive Sensor Kit Electronic Soldering Practice Kits DIY Kit Brightness Light Detector Dark Alarm Photosensitive Sensor Kit Electronic Soldering Practice Kits Description:      This circuit is used to detect ambient light and emit sound and light alarm when the light is bright.     Supply voltage: DC3-5V   Principle:      RP... $2.09
$2.99 SKU: 13603
$2.09
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DIY Kit Heart-shaped Flashing Lamp 18pcs RGB LED Analog Circuit Electronic Soldering Practice Kits DIY Kit Heart-shaped Flashing Lamp 18pcs RGB LED Analog Circuit Electronic Soldering Practice Kits 1.Introduction: TJ-56-30 is a RGB Heart-shaped Flashing Lamp Electronic Soldering DIY Kit.  It consists of 18 RGB LED divided into 3 groups.The three groups of LED are lit in turn after being installed alternately, thus form... $2.09
$2.99 SKU: GY20863-1
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DIY Kit Heart-shaped LED Flashing Lamp Red LED Flashing Light Electronic Soldering Practice Kits for Beginners DIY Kit Heart-shaped LED Flashing Lamp Red LED Flashing Light Electronic Soldering Practice Kits for Beginners 1.Introduction: TJ-56-30 is a Red Heart-shaped Flashing Lamp Electronic Soldering DIY Kit. It consists of 18 Red LED divided into 3 groups.The three groups of LED are lit in turn after being installed alternately, thus forming a heart ... $2.09
$2.99 SKU: GY20862-1
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DIY Kit Independent Adjustable Automatic Timing Switch Pulse Generator DIY Module DIY Kit Independent Adjustable Automatic Timing Switch Pulse Generator DIY Module Description: This circuit can be used as an automatic timer switch, and the switching time can be adjusted independently.JP1 can output switch signals controlled by relays, and JP2 can output rectangular pulses. Key Components Int... $2.09
$2.99 SKU: 13093
$2.09
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DIY Kit LED Circular Lamp DC 5V LED Light Electronic Soldering Practice Kits for Beginners DIY Kit LED Circular Lamp DC 5V LED Light Electronic Soldering Practice Kits for Beginners 1.Description:   This circuit is a blessing ring drive circuit composed of three triodes. Whenever the power is turned on, the three triodes will strive to be turned on first. However, due to differences in components, only one tr... $2.09
$2.99 SKU: GY20951-1
$2.09
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DIY Kit Light Control Photosensitive Sensor Switch for Beginners Learning Soldering DIY Kit Light Control Photosensitive Sensor Switch for Beginners Learning Soldering 1.Description:   Experience the fun of electronics with our Light Control Photosensitive Sensor Switch DIY Kit! Perfect for beginners learning to solder, this kit includes all the necessary components for building a fully function... $2.09
$2.99 SKU: GY20974-1
$2.09
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DIY Kit LM358 Infrared Sensor Alarm Analog Circuit Learning Electronic Soldering Practice Kits DIY Kit LM358 Infrared Sensor Alarm Analog Circuit Learning Electronic Soldering Practice Kits 1.Introduction: TJ-56-371 is an LM358 Infrared Sensor Alarm Electronic Soldering DIY Kit. It is used to simulate infrared detection. When an object blocks in front of the infrared sensor, the buzzer switch will alarm, and the red L... $2.09
$2.99 SKU: GY20871-1
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DIY Kit Lucky Wheel Sweepstakes Analog Circuit Electronic Soldering Practice Kits for Beginners DIY Kit Lucky Wheel Sweepstakes Analog Circuit Electronic Soldering Practice Kits for Beginners 1.Introduction: TJ-56-10 is a Lucky Wheel Sweepstakes Electronic Soldering DIY Kit. It can simulate the working state of the lucky wheel very realistically. As the lucky wheel starts, the LED will flash automatically in turns an... $2.09
$2.99 SKU: GY20861-1
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DIY Kit Metal Detector DC 3V-5V 60mm Non-contact Sensor Electronic Kits for Security Test DIY Kit Metal Detector DC 3V-5V 60mm Non-contact Sensor Electronic Kits for Security Test Description: This is a DIY metal detector kit. You need solder it by yourself.    Parameters: NO. Parameters Value 1 Name ... $2.09
$2.99 SKU: 12556
$2.09
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DIY Kit NE555 CD4017 LED Electronic Light Red Blue Dual Color LED Strobe Flashing Light Electronic Kits DIY Kit NE555 CD4017 LED Electronic Light Red Blue Dual Color LED Strobe Flashing Light Electronic Kits 1.Description:   This kit uses NE555 and CD4017 chips to form an analog alarm light circuit. The blue LED and red LED flash alternately according to the pulse, and the flash frequency can be adjusted by adjusting RP1. The working ... $2.09
$2.99 SKU: GY20957-1
$2.09
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DIY Kit NE555 Trigger Circuit Electronic Components Assmbly for Soldering Practice DIY Kit NE555 Trigger Circuit Electronic Components Assmbly for Soldering Practice   $2.09
$2.99 SKU: 13601
$2.09
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DIY Kit RGB Flashing LED Optic Fiber Light Lamp Colorful Night Light Kits for Holiday Gifts Party Room Decoration DIY Kit RGB Flashing LED Optic Fiber Light Lamp Colorful Night Light Kits for Holiday Gifts Party Room Decoration   Product Introduction: 1.Size:5*8*20cm 2.Adaptive Age:6-12 years old 3.Principle:light transmission and optical fiber. (Please noted: Battery doesn't included)   Installation Way  ... $2.09
$2.99 SKU: 12011
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DIY Kit Voice Control Lamp LED Melody Light DIY Electronic Kits DIY Kit Voice Control Lamp LED Melody Light DIY Electronic Kits 1.Description:   The voice controlled LED melody light circuit consists of a power supply circuit, a microphone amplification circuit, and an LED light emitting indicator circuit. The power supply is input by J1, and C1 filtering ... $2.09
$2.99 SKU: GY20958-1
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FLA-1 Simple DIY Flashlight Kit DIY Light Lamp Module 1.5V Mini Flashlight DIY Kits for Beginners FLA-1 Simple DIY Flashlight Kit DIY Light Lamp Module 1.5V Mini Flashlight DIY Kits for Beginners           Simple DIY Flashlight Kit for beginners   Packing List: Name Value Code Quantity Resistor ... $2.09
$2.99 SKU: 11877
$2.09
$2.99
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Human Infrared Sensor Module with Lens Human Infrared Sensor Module with Lens 1. Parameters     Product Name: Human Infrared Body Sensor Module     Operating voltage range: DC 4.5-20V     Quiescent Current: <50uA     L... $2.09
$2.99 SKU: 1390
$2.09
$2.99
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ICStation Electronic Dice DIY Kit 7pcs Red LEDs Flashing Light Funny DIY Dice Module Electronic DIY Kits ICStation Electronic Dice DIY Kit 7pcs Red LEDs Flashing Light Funny DIY Dice Module Electronic DIY Kits Description : Electronic dice kit is based on the NE555 oscillator circuit and fun circuit CD4017 counter display kit. Can simulate the dice, make fun of the game. Kit Parameters : Supply voltage: 4.5-5V Dime... $2.09
$2.99 SKU: 5027
$2.09
$2.99
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