At last night’s Electronics Night in Tog Hackerspace, one of our members brought in a brilliant build: an old oscilloscope CRT tube running at ~750 V (stepped up from 12 V) with a custom deflection circuit.
An ESP32 drives the X/Y plates with ~200 V deflection signals, running a tweaked open-source vector clock. They even used AI to analyse photos of the circuit and suggest fixes—super handy for fast iterations.
What’s next?
- Build a wooden/perspex case
- Add a weather display mode 🌦️
- More vector art experiments
Huge thanks to everyone who dropped by to brainstorm and test. If you’ve a half-finished idea, odd component, or smoky breadboard—bring it along!
📍 Electronics Night: every second Monday, 7pm at Tog Hackerspace
📸 Photos in the comments.