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Buck Step-Down LM2596 Power Converter Module DC 2.5-40V To 1.25-37V Voltmeter

1.2-12V 18650 Li-ion Lead-acid Battery Capacity Meter Discharge Tester Analyzer

5Pcs /Set Mini 3A Dc Adjustable Converter Step Down Power Supply Replace Lm2596

Mini Ac-Dc Converter Ac110V 220V To Dc 12V 0.2A+5V Module Board

DC 12V Time Relay Module Normal Open Time Delay Relay Timing Timer Relay Control Switch Adjustable Potentiometer LED Indicator

5V-30V Delay Relay Timer Module Trigger Delay Switch Micro USB Power Adjustable Relay Module

Touch Switch Capacitive Module 5V-24V 3A LED Dimming Control Lamps Active Components Short Distance Scan Sweep Hand Sensor

PDSink PD Decoy PD Fast Charging Test Board Adjustable Voltages 5V-20V Dial-code Adjustment Charge Connector

XH-M131 Professional Light Control Switch Photoresistor Relay Module 10A

2Pcs - Ajustable Step-Down Power Supply Modules Converters 3.2V~35V To 1.25V~35V 3A

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Lithium Battery Charger Module Lcd Display Control Overcharge Protection Board

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5V~48V 10A Power Supply/Battery Automatic Switch Module Emergency Controller

ESP8266 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch for Arduino Phone APP

YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Universal Emergency Converter JY-850

LM317 Adjustable Power Supply Board With Rectified AC DC Input DIY Kit

Adjustable DIY power supply, 0-30 Volts