Graphite Turntable Sequencer-DJs rejoice!

Caleb has recently posted a video of a graphite turntable sequencer demonstrating the conductive properties of graphite aka pencil lead. The technique of controlling an oscillator though the graphite resistance has long been known and demonstrated in publications by Forest Mims and Nic Collins. However, in this case Caled used graphite on a circular piece … Continue reading Graphite Turntable Sequencer-DJs rejoice!

SK-1 Modular builder’s purchases

I just love snooping on previously bought items of certain eBay sellers. For instance the SK-1 builder has purchased his SK-1 for $30.99, however one certain item is surelly to be found wherever cool circuitry exhists, Forest Mims Engeneer’s Handbook!!!! Other parts spotted include large quantaties of knobs, switches, and other vintage cases. Looking forward … Continue reading SK-1 Modular builder’s purchases