I am using a micro controller that outputs 0 to 4 volts. The output is then fed into some op amps running +/- 12 volts.
What is the best way to isolate the output of the micro controller, I want to make sure that no 12 volt comes back at the M/C as it runs at 3.3 volts.
Thanks
What is the best way to isolate the output of the micro controller, I want to make sure that no 12 volt comes back at the M/C as it runs at 3.3 volts.
Thanks