Thursday Circuits & PCBs / CCHS / By Lachlan Blue Ray Laser module for upcoming DiYouWare pcb laser exposer New WS2821 / WS2821A DMX Neopixel programmer Stepper motor drivers go looking for a purpose Geoff’s Sim900 based GSM modem may just save some plants Nice and tidy case work John’s automated slider PCB Combined Phototool on Mylar Etching…. time for new etchant The etched result on double sided 0.2mm Kinsten
