7k is quite high value, try with a cap 100 nF for decoupling at two resistors junction and ground.
Estimate self-heating of the resistors, give plenty of time after you touch a resistor with hands
7k is quite high value, try with a cap 100 nF for decoupling at two resistors junction and ground.
Estimate self-heating of the resistors, give plenty of time after you touch a resistor with hands