Guide · Intermediate · ESP32
Debugging I²C on ESP32 (Pull-ups, Addresses, Scopes)
Scanner sketches, level shifting, and cable length reality.
Project template
- Goal & materials
- Steps / firmware
- Troubleshooting
- AI assist notes
- Related gear & books
Scheduled for October 1, 2026. Scanner sketches, level shifting, and cable length reality.
Goal
Ship a finishable Guide focused on esp32 hardware/workflows, with materials, steps, failure modes, and an optional AI assist note.
Materials / prerequisites
- List exact boards, sensors, filament, or software versions
- Link related gear on /gear where relevant
- Safety notes (mains, batteries, hot ends)
Steps
- Baseline: prove power + serial / mechanical free motion
- Core feature of this guide
- Validation test (what “done” looks like)
Troubleshooting
- Top 3 failure modes for this build
- How to measure (multimeter, serial log, calipers)
AI assist
Include a copy-paste prompt that requires assumptions lists and refuses invented part numbers.
Related
- Projects hub
- Newsletter
- Books for deeper reading