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12V normally open trigger delay relay delay electronic module vibration electronic module

Multi functional micro stepper motor drive board control board 2-phase 4-wire 4-phase 5-wire deceleration stepper motor DIY

TJA1050 CAN module CAN bus module CAN bus transceiver STM32 code schematic

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XH-A157 digital amplifier board PAM8403 with volume knob AUX input USB 5V power supply dual 3W output

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12V battery undervoltage management module voltage undervoltage automatic recovery battery load power-off protection switch

Power automatic switching module, power outage switch to battery power supply, automatic charging control board, emergency circuit breaker...

DC-DC USB boost power regulator module 5V to 3.3V 9V 12V 24V desktop power module

XH-M601 Battery Charging Control Board 12V Battery Full Charge, Power Off Stop, Overcharge Prevention Control Module

XH-M214 Soil Moisture Controller Module with Accurate Digital Display for Potted Flowers and Automatic Watering for Watering Flowers

24V/12V to 5V 5A power module DC-DC XY-3606 power converter super LM2596S