Review on π§ Waterproof DC 12V Car Digital Voltmeter Gauge with LED Display - Blue by Keith Harris
Takes readings and displays static measurements until disconnected and reconnected.
Hello, I bought 4 pieces from you. After making sure they read voltage I installed 3 of these only to find out that the readings are static and don't change with the actual voltage level. On the same system, one will read 12.4 and the other 12.8 depending on when the measurement was taken. I can't use them and have to send them back.
- Free for educational purposes
- Negative gift
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