Notes
- How were electronic Morse keyers built on a minimal parts
- How were stand-alone programmable controllers built in the
- How did hobbyists wire up home automation in 1985?
- Early do-it-yourself home automation?
- Memory chip programming hardware?
- Where is the original Build a Scrolling Alphanumeric LED
- Where is the original Build the Micro D-Cam Solid-State
- Where is the original Build the Circuit Cellar MPX-16
- What hardware turned analog video into computer images in
- Could hobbyists build their own modem before the online era?