I am trying to measure voltage with a voltage divider on A0 of arduino The voltage divider resistors are R1 = 2.2K & R2 = 820R
On the other side I am measuring Temperature with LM35 on A1..
Without any connection on the A0 of arduino the temperature is stable but as soon as I connect the voltage divider to the A0 there is fluctuation on the temperature... WHY...??
How to eliminate it..??