Relay single channel HC-SR-04 Ultrasonic Distance Sensor Module Purchase the Ai Thinker A9

Purchase the Ai Thinker A9 GPRS Series Module online at The Engineer Store - India's most trusted electronics components store

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and more - protecting your valuable chips from soldering heat damage

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or Arduino-as-ISP

Relay single channel HC-SR-04 Ultrasonic Distance Sensor Module Purchase the Ai Thinker A9```html Relay Single Channel Module Control high voltage appliances and devices safely with this single channel relay module from The Engineer Store, Bengaluru. Ideal for Arduino, Raspberry Pi, and microcontroller based switching projects. Fast shipping, 7 day warranty on manufacturing defects, and dedicated technical support. Specifications Type Single Channel Relay Module Operating Voltage 5V DC (control side) Switching Capacity 10A @ 250V AC 10A @