Hi all, I've started putting together the sensors for my solar panel monitoring project. So far, I have the voltage divider for the battery, shown in the diagram. I discovered that in order for the voltage divider to work, the battery negative terminal must be connected to the Arduino ground... P…

ACS712 connection, and grounds for solar power monitor

Topic		Replies	Views
Read solar panel voltage and battery voltage using 1 arduino nano Sensors	13	3230	May 6, 2021
Multiple voltage sources (PV+Battery) General Guidance	6	798	May 5, 2021
Measuring Voltage on a Positive Ground System General Electronics	10	3133	May 6, 2021
Measuring the power produced by a solar panel General Guidance	36	20191	May 5, 2021
Insight on solar battery reading General Guidance	11	1290	May 5, 2021