Sometimes you need a little utility device to do a very simple job ... out the codes by using an Arduino to read the output of the TV’s remote with an IR sensor. The hook here is the code ...

You know from the stopwatch project that Arduino can keep time. You know from the GPS-receiver project that it can be hooked up to an LCD display. Put those two features together to build this ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...