As I mentioned in my recent columns on the topic of adding pull-up or pull-down resistors to the inputs of unused or partially used logic gates and functions (see Part 1, Part 2, and Part 3), I was ...

A PIC16F870 microcontroller is used to build this universal Superprobe device along with a 4-digit display and a handful of other components. The device is the simplest Superprobe that can be used as ...