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5PCS DIY Kit Light Control Switch Adjustable LED Lamp Circuit Electronic Soldering Kits for Beginners 5PCS DIY Kit Light Control Switch Adjustable LED Lamp Circuit Electronic Soldering Kits for Beginners 1.Introduction:   TJ-56-454 is a Light Control Switch Adjustable LED Lamp Circuit Electronic Soldering DIY Kit. It is a simple and basic LED lamp brightness control circuit. The LED brightness can be controlled by a photosensitive... $4.03
$5.75 SKU: GY20875-1
$4.03
$5.75
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DIY Kit 5MM LED Flash Light, Simple Flash Circuit Soldering Kits for Beginners DIY Kit 5MM LED Flash Light, Simple Flash Circuit Soldering Kits for Beginners Description: Work voltage: 3-14V PCB size: 2.3*2.3cm Component List: PCB board x1 9014 transistor x2 LED blue 5mm x2 30K resistor x2 510ohm resistor x... $1.39
$1.99 SKU: 2721
$1.39
$1.99
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DIY Kit Electronic Doorbell NE555 Electronic Production Transformer Sound Circuit Processing Board DIY Kit Electronic Doorbell NE555 Electronic Production Transformer Sound Circuit Processing Board Description: ▲It is composed of a time base circuit integrated block and peripheral components. It has a beautiful sound quality, easy to install, low cost and low power consumption. ▲The kit is a circuit for a bell that c... $1.39
$1.99 SKU: 13092
$1.39
$1.99
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DIY Kit NE555+CD4017 10 LEDs Flashing Light Water Flowing Light Red LED Module Electronic Kits Circuit Board DIY Kit NE555+CD4017 10 LEDs Flashing Light Water Flowing Light Red LED Module Electronic Kits Circuit Board Product Introduction: 1.Name: NE555+CD4017 water flowing lamp diy electronic kits 2.Power Voltage: 2.5-14.5V 3.PCB Size: 5.4*2.1cm 4.PCB Thickness: 1.6mm Packing List: PCB x 1pc 2P Pin x1pc 1uF Capacitor x 2pcs 3mm L... $1.39
$1.99 SKU: 11101
$1.39
$1.99
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Flash Circuit Multivibrator Electronic DIY Kits Soldering Skill Practice Teaching Kit Flash Circuit Multivibrator Electronic DIY Kits Soldering Skill Practice Teaching Kit Diagram Packing List: Components Parameter Number Metal Film Resistor 68K 2 Elecytolytic Capacitor 100uF 50V 2 ... $1.39
$1.99 SKU: 9811
$1.39
$1.99
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Simple Flash Circuit LED Light Electronic Soldering Practice Kits for Beginner Simple Flash Circuit LED Light Electronic Soldering Practice Kits for Beginner Description Kits type: YSG - 1 Working voltage: 3-9 v LED colors: red highlight PCB size: 31 * 28 mm   Module Diagram Principle of Operating For YSG-1, the Q1 and Q2 form the multivibrat... $1.39
$1.99 SKU: 1895
$1.39
$1.99
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DIY Kit Dimming Table Lamp Circuit Board, Unidirectional Thyristor Temperature Control Speed Regulation Electronic Kits DIY Kit Dimming Table Lamp Circuit Board, Unidirectional Thyristor Temperature Control Speed Regulation Electronic Kits 1.Description:    This DIY Dimmer Kit is a great product for both beginners and experienced electricians alike. It contains everything you need to build your own dimmer switch for your lights.  The temperature and speed ... $1.50
$2.99 SKU: GY20975-1
$1.50
$2.99
 50

NE555 Analog Rain Dropping Circuit Suite Bistable Simple Hypnotic Module DIY Kits Audio Sound Voice Module NE555 Analog Rain Dropping Circuit Suite Bistable Simple Hypnotic Module DIY Kits Audio Sound Voice Module Description: This circuit can simulate rain drop sound “DADA”, and the time interval is adjustable. When the interval is long, it functions like hypnosis. So it is also called simple hypnosis circuit. Parameter: 1&... $1.65
$2.35 SKU: 12463
$1.65
$2.35
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Antistatic Clip Pliers Circuit Board PLCC PCB IC Chip Extractor Removal Tool DIY Kit for Arduino Antistatic Clip Pliers Circuit Board PLCC PCB IC Chip Extractor Removal Tool DIY Kit for Arduino Product Introduction: Size：106*40mm A must have excellent PLCC PCB IC Chip Extractor which fits nicely in your tool box. This U type IC extractor is used for pulling integrated block, which is a convenient and professional tool... $1.86
$2.65 SKU: 12275
$1.86
$2.65
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LED Circular Lamp DIY Kit Funny Electronic Kits for Beginners LED Circular Lamp DIY Kit Funny Electronic Kits for Beginners Description:     1>. It is a DIY kit. Users need to weld it.     2>. It is suitable for beginners.   Note: The LED Color of this kit (Blue) has been changed to Red one since Nov., 2022.... $1.89
$2.70 SKU: 5002
$1.89
$2.70
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DIY Kit Voice Control Red LED Rhythm Lamp 5pcs LED Lamp Analog Circuit Electronic Soldering Practice Kits for Beginners DIY Kit Voice Control Red LED Rhythm Lamp 5pcs LED Lamp Analog Circuit Electronic Soldering Practice Kits for Beginners 1.Introduction: TJ-56-15 is a RED Voice Control LED Rhythm Lamp Electronic Soldering DIY Kit. It is a simple and basic electronic circuit of sound LED lamp. It receives sound through electret microphone. The amount and brightness... $1.95
$2.79 SKU: GY20864-1
$1.95
$2.79
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15KV High Frequency DC High Voltage Arc Ignition Generator Inverter Step Up Boost Module 18650 DIY Kit U Core Transformer 3.7V 15KV High Frequency DC High Voltage Arc Ignition Generator Inverter Step Up Boost Module 18650 DIY Kit U Core Transformer 3.7V Product Introduction: NO. Parameter Value 1 Power Supply DC 3.7V-4.2V 2 Working Current 2A(Max) 3 ... $2.09
$2.99 SKU: 12099
$2.09
$2.99
 31

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
$2.09
$2.99
 31

DIY Kit Heart-shaped Red LED Flashing Lamp 18pcs LED Analog Circuit Electronic Soldering Project DIY Kit Heart-shaped Red LED Flashing Lamp 18pcs LED Analog Circuit Electronic Soldering Project 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
$2.09
$2.99
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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
$2.99
 31

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
$2.09
$2.99
 31

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
$2.09
$2.99
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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
$2.99
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DIY Kit Infrared Sensor Alarm Electronic Circuit Learning Soldering Practice Kit DIY Kit Infrared Sensor Alarm Electronic Circuit Learning Soldering Practice Kit Descrption:    This circuit design can realize the buzzer sounds when the hand is close to the infrared emission tube and the infrared receiving tube, the LED light is on, the sound is stopped immediately after the hand is ... $2.35
$3.35 SKU: 13808
$2.35
$3.35
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DIY Negative Feedback Amplifier Circuit Kit with Capacitor-Coupled Analogue Electronic Technology Training Parts 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
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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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DIY Kit Music Circuit LED Flashing Module Electronic Components Soldering Practice Kits DIY Kit Music Circuit LED Flashing Module Electronic Components Soldering Practice Kits Description:     The 14-level binary counter CD4060 with internal oscillation circuit is used as the control panel to control the 12 red, yellow and green LEDs to blink. The adjustment of R3 can change the blinking of the L... $2.51
$3.59 SKU: 13613
$2.51
$3.59
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DIY Kits 15kV High Voltage Pulse Generator Arc Ignition Coil Module 3.7-4.2V DIY Kits 15kV High Voltage Pulse Generator Arc Ignition Coil Module 3.7-4.2V Product Introduction: 1.Input Voltage:3.7-4.2V  2.Input Current: ≤ 2A  3.Output Voltage:≤ 15kV 4.Output Current: ≤0.4A  5.High Voltage Polarization Ignition Distance: ≤ 0.5cm  6.Siz... $2.51
$3.59 SKU: 11217
$2.51
$3.59
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DIY Kit NE555 Doorbell Analog Circuit Electronic Soldering Practice Kits for Beginners DIY Kit NE555 Doorbell Analog Circuit Electronic Soldering Practice Kits for Beginners 1.Introduction: TJ-56-28 is a NE555 Doorbell Analog Circuit Electronic Soldering DIY Kit. It is an electronic doorbell control system. When the button is pressed, the horn makes a sound ‘dingdong~~’ It is a ... $2.65
$3.79 SKU: GY20860-1
$2.65
$3.79
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Charger Circuit Board Mobile Power Bank with Protective Box for 4pcs 18650 Battery Charger Step Up Converter Power Supply Module Charger Circuit Board Mobile Power Bank with Protective Box for 4pcs 18650 Battery Charger Step Up Converter Power Supply Module Product Introduction: 1.Input Parameter:5V/1A 2.Input Interface:V8 port,Micro USB 3.Output Parameter:double USB output 5V/2A 4.Conversion Rate:90% (average) 5.Function Feature:with a highlight LED lamp (long press or ... $2.79
$3.99 SKU: 10901
$2.79
$3.99
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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 Automatic Flashing LED Lamp Self-excited Multivibrator Circuit Electronic Soldering Kits for Beginners DIY Kit Automatic Flashing LED Lamp Self-excited Multivibrator Circuit Electronic Soldering Kits for Beginners 1.Introduction: TJ-56-523 is a Self-excited Automatic Flashing LED Lamp Electronic Soldering DIY Kit. It is a typical self-excited multivibrator circuit, realizing the automatic alternating flashing of two LED. It is a very inter... $2.79
$3.99 SKU: GY20876-1
$2.79
$3.99
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DIY Kit DC 9V-12V Red Blue Automatic Flashing LED Lamp NE555 CD4017 Analog Circuit Electronic Soldering Practice Kits DIY Kit DC 9V-12V Red Blue Automatic Flashing LED Lamp NE555 CD4017 Analog Circuit Electronic Soldering Practice Kits 1.Introduction:   TJ-56-91 is a NE555+CD4017 Red Blue Automatic Flashing LED Lamp Electronic Soldering DIY Kit. The blue and red LED flash alternately according to the circuit pulses. Potentiometer RP1 can adjust the flicker fre... $2.79
$3.99 SKU: GY20874-1
$2.79
$3.99
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DIY Kit NE555 Electronic Keyboard Music Playing Module Analog Circuit Electronic Soldering Practice Kits DIY Kit NE555 Electronic Keyboard Music Playing Module Analog Circuit Electronic Soldering Practice Kits 1.Introduction:   TJ-56-228 is a NE555 Electronic Keyboard Music Playing Module Electronic Soldering DIY Kit. Make different sounds by pressing different buttons.   It is a very interesting DIY electronic product which ... $2.79
$3.99 SKU: GY20878-1
$2.79
$3.99
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DIY Kit NE555 Infrared Reversing Radar Sensor 30cm Distance Sensing Analog Circuit Electronic Soldering Kits DIY Kit NE555 Infrared Reversing Radar Sensor 30cm Distance Sensing Analog Circuit Electronic Soldering Kits 1.Introduction: TJ-56-109 is a NE555 Infrared Reversing Radar Sensor Electronic Soldering DIY Kit.  It simulates reverse radar sensing through infrared transceiver sensors to detect distance. Adjust RP1 distance and RP2 sens... $2.79
$3.99 SKU: GY20868-1
$2.79
$3.99
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DIY Kit Single-phase Rectifier Filter Circuit Electronic Soldering Practice Kits DIY Kit Single-phase Rectifier Filter Circuit Electronic Soldering Practice Kits 1.Introduction: TJ-56-349 is a Single-phase Rectifier Filter Circuit Electronic Soldering DIY Kit.. It is a very interesting DIY electronic product which enables users to understand the circuit more clearly and learn soldering skills... $2.79
$3.99 SKU: GY20869-1
$2.79
$3.99
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DIY Module OTL Power Amplifier Circuit DIY Kit OTL Discrete Component Amplifier Electronic Production Suite DIY Module OTL Power Amplifier Circuit DIY Kit OTL Discrete Component Amplifier Electronic Production Suite Description: This is a DIY OTL Power Amplifier Kit parts. You should solder it by yourself. This circuit belongs to the OTL circuit teaching model, its maximum power is only 1W, driven by two complementary transistors S8550 and S8050.I... $2.79
$3.99 SKU: 13279
$2.79
$3.99
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HV-1 Arc Cigarette Igniter Kits, DIY Electronic Lighter Electronic Kit, DC3V 5V 3A High Voltage Igniter Soldering Kits HV-1 Arc Cigarette Igniter Kits, DIY Electronic Lighter Electronic Kit, DC3V 5V 3A High Voltage Igniter Soldering Kits Description:     The arc generator, through the 3-5V power supply, produces a short arc.   Diagram:   Parameter:   NO. Parameter ... $2.79
$3.99 SKU: GY17676
$2.79
$3.99
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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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81-LED Thumbs-Up Flashing Light DIY Kits, Interesting Like Circulating Water Running Lamp Soldering Practice Kits for STEM Teaching and Learning 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
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High Voltage Generator 80KV 2cm Super Arc 6V-12V Inverter Pulse High-Voltage Generator High Voltage Generator 80KV 2cm Super Arc 6V-12V Inverter Pulse High-Voltage Generator NOTE: 1. Avoid power on when No load.You must adjust the appropriate distance for high-voltage terminal before power on.The longer Arcing distance,the higher input voltage and battery capacity. 2. It is prohibited exceed the maxi... $3.14
$4.49 SKU: 8135
$3.14
$4.49
 31

DIY Kit SMD 15Bit RGB LED Flashing Analog Circuit Electronic Soldering SMD Component Welding Practice Board DIY Kit SMD 15Bit RGB LED Flashing Analog Circuit Electronic Soldering SMD Component Welding Practice Board 1.Introduction: TJ-56-266 is an SMD 15Bit RGB LED Flashing Circuit Electronic Soldering DIY Kit. It is a circuit completely composed of SMD components.It can not only contact and improve the welding skills of SMD components, but also... $3.21
$4.59 SKU: GY20865-1
$3.21
$4.59
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20g-6kg Resistive Film Pressure Sensor 18mm Flexible Force Sensitive Resistor for Robot Wearable Device 20g-6kg Resistive Film Pressure Sensor 18mm Flexible Force Sensitive Resistor for Robot Wearable Device Description: 1>.Type:PR-C18.3-ST 2>.Sensing area diameter:18mm 3>.Measuring range:20g-6kg   Use manual:     Place the round side of the gasket over the sensor.In the center of the sensing a... $3.49
$4.99 SKU: 13670
$3.49
$4.99
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3V-5.5V RCWL-1603 Ultrasonic Module Distance Measuring Transducer Sensor for Arduino UART PWM GPIO Output w/ Temperature Compensation High Precision 3V-5.5V RCWL-1603 Ultrasonic Module Distance Measuring Transducer Sensor for Arduino UART PWM GPIO Output w/ Temperature Compensation High Precision Description: The RCWL-1603 is an open ultrasonic ranging module with 3V-5.5V power supply. It contains a variety of working modes including UART, GPIO, PWM and UART AUTO OUT. Its temperature supplement adopts MCP9700 professional tempe... $3.49
$4.99 SKU: 13160
$3.49
$4.99
 31

DIY Kit Automatic Energy-Saving Control System Analog Circuit Street Lamps Electronic Soldering Kits DIY Kit Automatic Energy-Saving Control System Analog Circuit Street Lamps Electronic Soldering Kits 1.Introduction: TJ-56-44 is a Automatic Energy-Saving Control System Electronic Soldering DIY Kit. It is a basic street lamp control system, which uses photosensitive sensors to control the light on and off.   Sensitivi... $3.49
$4.99 SKU: GY20877-1
$3.49
$4.99
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