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DC step-down module 12V24V to 5V QC3.0 fast charge USB mobile phone charging board supports Apple Huawei FCP

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8-way 5V 12V 24V relay module with optocoupler isolation low-level trigger development board

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15A 400W High Power Adjustable Voltage Regulator Module Constant Current Constant Voltage Power Supply DC 10V-60V Boost Regulator Plate

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DIY Bluetooth audio receiving module 5.0 high-fidelity lossless car speaker headset power amplifier board wireless modification

CCM5D digital PWM DC motor speed regulator 6V12V24V stepless speed control switch motor controller

TCRT5000 tracking module/sensor/probe intelligent car infrared tracking

Automatic STC download line MCU programmer USB to TTL manual free cold start STCISP 3.3V/5V

DIY Patch Component Welding Board Practice Edition Special Welding Kit for Electrical and Electronic Welding Technology Practice

1 5V/2 5V low level solid state relay module with fuse solid state relay 250V2A

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Dual USB DC-DC car charging solar 3A regulator 9V/12V/24V/36V to 5V step-down module

1/4W Five-color Ring Resistor 1% Precision Metal Film Resistor Pack 30 Common Resistors 20 of Each Resistance

GT-U13 dual-frequency GNSS satellite positioning navigation module GPS Beidou GLONASS IRNSS system

PAM8610 Digital Power Amplifier Board 2x 15W Dual Channel Stereo Class D High Power Amplifier Board Miniature

Active buzzer module passive high/low level trigger buzzer control board sound sensor smart car

DIY18650 lithium battery digital display Dual USB output charging board motherboard charging treasure module mobile power supply

10000W high power thyristor electronic digital voltage regulator dimming speed regulation temperature control with display panel

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Turbidity sensor module water turbidity sewage water quality detection module TS-300B turbidity module sending program

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GT-HT30 module SHT30 digital temperature and humidity measurement sensor module IIC I2C interface