Hi, I am using an ACS712 with puts out 2.56V in idle on my Analog0 Pin (measured with voltmeter between A0 and GND). The sample sketch for voltage measurement puts out 3.98. What can cause this? Thanks! void setup() { // initialize serial communication at 9600 bits per second: Serial.begin(96…

Voltage measurement on Analog PIN

jankir November 16, 2017, 8:45pm 8

So should i power it from my 230V to 5V converter then?

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