def send_command(cmd): # ... (see full code on GitHub) pass
At first glance, pctolcd2002 looks like a forgotten filename from a dusty CD-ROM labeled “Drivers 2003 – do not delete.” But dig deeper, and you’ll find one of the most charming, accidental icons in the world of hobbyist electronics. The Origin Story (as told on forums) Some time in the early 2000s, a maker was trying to interface a standard HD44780-based character LCD (the classic 16x2 blue screen with the white backlight) with a PC’s parallel port. They needed a simple, lightweight utility to send text directly from the command line. pctolcd2002
They uploaded it to a personal university web server, shared it on a now-defunct forum (think Electronics Lab or EDABoard ), and moved on with their life. def send_command(cmd): #
