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DIY Kit SMD 15Bit RGB LED Flashing Analog Circuit Electronic Soldering SMD Component Soldering Practice Board DIY Kit SMD 15Bit RGB LED Flashing Analog Circuit Electronic Soldering SMD Component Soldering 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
 30

SMD Component Soldering Practice Board DIY Kit Analog Circuit Electronic Soldering Practice SMD Component Soldering Practice Board DIY Kit Analog Circuit Electronic Soldering Practice 1.Introduction: TJ-56-516 is an SMD Component 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 obtain the flickerin... $3.49
$4.99 SKU: GY20866-1
$3.49
$4.99
 31

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
 30

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
$2.09
$2.99
 31

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
 30

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 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
$2.09
$2.99
 31

AC-DC Isolated Power Supply Module AC 110V 220V to 9V 1.5A Voltage Converter AC-DC Isolated Power Supply Module AC 110V 220V to 9V 1.5A Voltage Converter 1.Description:    It is a AC-DC Isolated Power Supply Module AC110V 220V to 9V 1.5A Voltage Converter. 2.Feature:   1>.Support short circuit protection   2>.Support overload protection   3>.... $4.19
$5.99 SKU: GY20791-1
$4.19
$5.99
 31

AC-DC Isolated Power Supply Module AC 110V 220V to 5V 2A Voltage Converter AC-DC Isolated Power Supply Module AC 110V 220V to 5V 2A Voltage Converter 1.Description:    It is a AC-DC Isolated Power Supply Module AC110V 220V to 5V 2A Voltage Converter. 2.Feature:   1>.Support short circuit protection   2>.Support overload protection   3>.Su... $4.19
$5.99 SKU: GY20790-1
$4.19
$5.99
 31

AC-DC Adjustable LM317 Voltage Regulator, Automatic Buck Boost Power Supply Module AC 5V-20V to DC 1.25V-30V AC-DC Adjustable LM317 Voltage Regulator, Automatic Buck Boost Power Supply Module AC 5V-20V to DC 1.25V-30V 1.Description:    LM317 as a good regulator with high stability, high temperature, high linearity and other characteristics, the output voltage range up to 1.25V~37V continuously adjustable, the maximum operating current of m... $4.89
$6.99 SKU: GY20789-1
$4.89
$6.99
 31

DC 5V-30V Multi-Function Trigger Cycle Timer MOS Delay Controller Module Power-ON Control Switch DC 5V-30V Multi-Function Trigger Cycle Timer MOS Delay Controller Module Power-ON Control Switch 1.Description:    Multi-function time relay module, 5~30V wide voltage power supply, MOS tube control output, no contact, no ignition, little interference. Up to 10A control capability.   There are up to 31 working ... $4.68
$6.69 SKU: GY20754-1
$4.68
$6.69
 31

Automotive Ammeter Voltmeter DC 5-48V Precision Detector for Cars Motorcycles Automotive Ammeter Voltmeter DC 5-48V Precision Detector for Cars Motorcycles 1.Description:    It is an Automotive Ammeter Voltmeter DC 5-48V Precision Detector. 2.Feature:   1>.The voltage level is easy to read, and the LED light shows clearly at night   2>.Support display ba... $4.19
$5.99 SKU: GY20765-1
$4.19
$5.99
 31

DIY Rotating LED Light DIY Electronics Kit, LED Flashing Light Circuit Board Soldering Practice Kits DIY Rotating LED Light DIY Electronics Kit, LED Flashing Light Circuit Board Soldering Practice Kits 1.Introduction:   TJ-56-515 is an Desktop RGB LED Rotary Gyro Electronic Soldering DIY Kit. It is a multivibrator circuit composed of a transistor, which drives two groups of LED to flash alternately.   When rotating, th... $3.49
$4.99 SKU: GY20780-2
$3.49
$4.99
 31

AC-DC 10W Step Down Power Supply AC 85V-265V to 5V 2A Voltage Converter AC-DC 10W Step Down Power Supply AC 85V-265V to 5V 2A Voltage Converter 1.Description:    It is a AC-DC 10W Step Down Power Supply AC85V-265V to 5V 2A Voltage Converter, the power supply is isolated industrial grade built-in switching power supply, with temperature protection, overcurrent and sho... $4.19
$5.99 SKU: GY20730-1
$4.19
$5.99
 31

DC-DC 5A Step UP Power Supply Boost Adjustable Voltage Converter Module 4-40V to 6-50V Solar Charging DC-DC 5A Step UP Power Supply Boost Adjustable Voltage Converter Module 4-40V to 6-50V Solar Charging 1.Description:    it is a DC-DC 5A Step UP Power Supply Boost Adjustable Voltage Converter Module 4-40V to 6-50V Solar Charging. 2.Feature:   1>.Support adjustable output voltage   2>.Support display ... $4.89
$6.99 SKU: GY20742-1
$4.89
$6.99
 31

AC-DC Step Down Power Supply AC 85V-265V to 5V 2A EMC Voltage Converter AC-DC Step Down Power Supply AC 85V-265V to 5V 2A EMC Voltage Converter 1.Description:    It is a AC-DC switching power supply.This power supply has mounting holes,input and output with EMI filter circuit,  temperature protection, short circuit protection and overload over-voltage protection... $4.55
$6.50 SKU: GY20728-1
$4.55
$6.50
 31

Enameled Copper Wire, 0.2mm×20m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Enameled Copper Wire, 0.2mm×20m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Description: 【Not Easy Short Circuit】: This enameled wire is made of pure copper inside, with insulating paint on the surface, and the insulating layer is made of polyester patent leather, which can protect the coiled wire from short c... $3.14
$4.49 SKU: GY18139
$3.14
$4.49
 31

Enameled Copper Wire, 0.3mm×40m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Enameled Copper Wire, 0.3mm×40m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Description: 【Not Easy Short Circuit】: This enameled wire is made of pure copper inside, with insulating paint on the surface, and the insulating layer is made of polyester patent leather, which can protect the coiled wire from short c... $4.19
$5.99 SKU: GY18135
$4.19
$5.99
 31

Enameled Copper Wire, 0.1mm×50m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Enameled Copper Wire, 0.1mm×50m Magnet Winding Wire Transformer Insulated Copper Coil, Withstand Voltage 3000-5000V Description: 【Not Easy Short Circuit】: This enameled wire is made of pure copper inside, with insulating paint on the surface, and the insulating layer is made of polyester patent leather, which can protect the coiled wire from short c... $3.07
$4.39 SKU: GY18143
$3.07
$4.39
 30

DC 4.5V-5V Photocontrol Lamp DIY Kit White LED Light Dual Brightness Controller Electronic Soldering Practice Kit DC 4.5V-5V Photocontrol Lamp DIY Kit White LED Light Dual Brightness Controller Electronic Soldering Practice Kit 1.Introduction: CON-18 is a DC 4.5V-5V Photocontrol LED Lamp DIY Kit. It can not only adjust the brightness of the light through the built-in photoresistor sensor, but also adjust the brightness through the buttons, which is very sui... $4.89
$6.99 SKU: GY20722
$4.89
$6.99
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