4 ms·
In 1999-ish, my two brothers and I got a box of relays and some reed sensors and solenoids (for track-switches) embedded in lego blocks. We're all engineers no
by rrobukef 4y ago
In 1999-ish, my two brothers and I got a box of relays and some reed sensors and solenoids (for track-switches) embedded in lego blocks.
We're all engineers now, the box is treasured and still works. Finding a PC with a parallel port has become challenging though.
- vertis 4y agoOne idea is: https://hackaday.com/2017/05/05/converting-parallel-port-cncs-to-usb/ https://hackaday.com/2017/05/05/converting-parallel-port-cnc... Plus there are a bunch of off the shelf solutions on Amazon (YMMV).