December 18, 2025
Running PicoRuby on an ESP32 is absolutely possible — but today it is not straightforward , and most guides omit critical details. This article consolidates everything that actually matters, based on real-world setup, debugging, and integration with ESP-IDF 5.5.
If you follow this guide exactly , you will end with:
- PicoRuby running on an ESP32
- A working serial shell
- An interactive Ruby REPL (irb)
- A correct partition layout
- A reproducible, clean build
No guesswork. No hacks.
Dive deeper into this real-world Ruby case study.
Read the complete article:
👉 https://rubystacknews.com/2025/12/18/a-definitive-guide-to-running-picoruby-on-esp32-esp-idf-5-x/
Top comments (1)
This is very helpful, thanks for sharing!
Do you plan to followup on the points mentioned on "14 where to go next" in a second post?