Ah your beautiful circuit is a nice locking down Monday jig saw puzzle. Now let me think alound. (1) The opto-isolator output is not connected to anything, so I guess that is […]

GPIO Output Pin Reverse Current/Higher Voltage Ask Question Asked today Active today Viewed 3 times 0 I have a device with a built in voltage divider and opto-isolator that I want to send a high […]