pH/PPM Meter insides 1

« first ‹previous |9 of 12| next› last »
pH/PPM Meter insides 1

Images of homebrew ppm/ph meter with serial and usb for loggin and setup. More details of the project itself can be found here. (clicky!)
This is the insides, it uses a 18F4550 microcontroller. Coulda made it prettier. :/