Hello everyone,
Lets imagine a situation where 1 Bar of pressure represents 1 milivolt (0.001V), and I want to read with arduino, as I've been searching and foundo some info about adc where arduino has 10bit adc capacity so minimium voltage is 5V/1023bits=0.005mV; so I tried to make a circuit in proteus 8 where I input 5millivolts at A0 port and made it to show in a LCD 16x2, however it does not read because only show 3 digits on display (0.00), so anyone knows if I can get a 4 digit reading with some code, or I will need a OP-Amp?
Lets imagine a situation where 1 Bar of pressure represents 1 milivolt (0.001V), and I want to read with arduino, as I've been searching and foundo some info about adc where arduino has 10bit adc capacity so minimium voltage is 5V/1023bits=0.005mV; so I tried to make a circuit in proteus 8 where I input 5millivolts at A0 port and made it to show in a LCD 16x2, however it does not read because only show 3 digits on display (0.00), so anyone knows if I can get a 4 digit reading with some code, or I will need a OP-Amp?