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5V1V24V infinite cycle single time delay dual adjustable/multifunctional relay module/delay circuit module

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

2-channel PWM pulse frequency duty cycle adjustable square wave rectangular wave signal generator stepper motor drive module

ICL8038 Medium and Low Frequency Signal Source, Waveform Signal Generator, Sine Wave, Triangle Wave, Square Wave Module, Adjustable

XH-M602 CNC Battery Lithium Battery Charging Control Module Battery Control Switch Protection Board

10W/15W/20W Stereo Bluetooth Amplifier Board 12V/24V High Power Digital Amplifier Module XY-P15W

DIY kit for automatic watering small water pump, automatic irrigation module, soil moisture detection, automatic watering and pumping