Hallo everyone, I want to amplify a small voltage from a sensor within 0-25mv to 0-5v and send this signal to analoginput(Arduino). I have used the instrumentation amplifier with 3 OP07. [image] The multimeter can correctly measure the voltage from instrumentation amplifier. But when I connect t…

Analog input can not read the voltage from instrumentation amplifier

jremington September 23, 2016, 3:26pm 2

That will happen if you did not connect the grounds together.

Topic		Replies	Views
[Solved] Help with instrumental amplifier + arduino analog input General Electronics	4	1835	May 6, 2021
DC Signal Offset When Connecting to Arduino Analog Input Pin Science and Measurement	15	8514	May 6, 2021
External circuit voltage measuerment Sensors	6	2692	May 6, 2021
pressure sensor Interfacing	3	1219	May 6, 2021
[Resolved] Unable to "tame" AD620 Instrumentation Amplifier. General Electronics	7	2138	May 6, 2021