John McNelly's Raspberry Pi Pico-Powered Drill Periscope Ensures Perfect PCB Holes, Every Time
Originally published on hackster.io by Gareth Halfacree 1 year ago Electrical engineer and self-professed tinkerer, John McNelly, has ingeniously upgraded a drill press to facilitate accurate hole drilling in homemade PCBs and other materials. Tired of squinting at tiny drill bits while attempting to align them with small pads for […]
