Building an Auxiliary Display
I wanted to be able to check my web server’s statistics periodically but did not want having to log on […]
Arduino Serial Using LT1780
Most of the recent Arduino and compatible boards use some kind of USB to UART hardware (e.g. FT232RL in Arduino […]
An Isolated MOSFET Serial Port Relay Controller
Using DTR (data terminal ready) and RTS (request to send) pins of a PC serial port (RS-232) without actually using […]