Paul de Groot made Hackaday! http://hackaday.com/2017/06/10/drop-in-controller-for-ebay-k40-laser-engraver-gets-results/

@Paul_de_Groot made Hackaday!

Thanks @HalfNormal ​ that’s amazing !:grin:

No, that’s Awesome! :laughing:

@HalfNormal :joy: