Review on π 2PCS Red LED Digital Voltmeter Voltage Meter DC 4.5V to 30V Panel Meter for 6V 12V Electromobile Motorcycle Car - DGZZI by Christopher Shavers
Works perfectly . within Β±0.2V
Product is ok, works as expected, display is more than bright enough. Mine has started reporting up to 4.2v, your mileage may vary. The module draws less than 20mA compared to what I've seen. I would have liked this product more if it had a potentiometer to adjust the accuracy but it works for my purpose.
- The voltmeter wiring is simple, only need to connect two wires;
- Unbelievable price
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