In an effort to increase maximum ease and relaxation at our cottage in Michigan, I designed and built a robot capable of delivering drinks and dinner to our remote treehouse. We love to have dinner and drinks out there, but it’s a challenge for us to bring all the stuff out and back. Mostly I…
Tag: Electronics
Arp Odyssey Repair – Part Two
Continued from Part One. Next step in the repair was to either replace or repair the 4023 filter. I wasn’t actually sure if it was broken or not, but thought it would be worth replacing the chips and capacitors anyway. On reviewing the schematics for board C, I confirmed that the high output line had…
Bell Labs Speech Synth Kit
2018 has been the year of my obsession with speech synthesizers. I’ve been experimenting with the Ginsing/SoundGin IC for awhile and recently created my own eurorack-based synth module. In researching speech synth chips, I came across a very cool Bell Laboratories Speech Synthesis Kit, from 1963, on Ebay. A little beat up, but never put…
Autodesk Eagle
I have been wanting to create my own PCBs for years. I tried many times to do this by etching my own, but with anything more complex than simple circuits, it requires a minimum of a two sided board. This requires a lot of work and planning to etch, which for me was not in…