In the old days, a serial port often connected to an acoustic coupler that gripped a phone handset and allowed a remote connection to a far away serial port (via another phone and acoustic coupler) at ...

In the old days, a serial port often connected to an acoustic coupler that gripped a phone handset and allowed a remote connection to a far away serial port (via another phone and acoustic coupler) at ...

The weather station project was based on Arduino that uses cheap display mounted in a picture frame using 6 pins to control 522 LEDs individually while showing the weather forecast from Google. In the ...