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

tauro0221 November 17, 2017, 5:49am 10

Hi,
Try setting the pin as an input. Like pinMode(pin,INPUT).

Topic		Replies	Views
problem reading analog input Sensors	16	5625	May 6, 2021
ACS712ELCTR-20A-T Current Sensor Help needed Sensors	6	1595	May 6, 2021
Current measurement problem with ACS712 Current Sensor (30A) General Guidance	15	23816	May 5, 2021
ACS712 Using General Electronics	22	2838	May 6, 2021
Really need help with acs712 and Arduino Interfacing	14	14068	May 6, 2021