Trying out Claude Code with Sonnet 4 for our STSPIN220 library 🌀🤖🔧

Adafruit Industries · May 24, 2025 · 3m

We got the drop that Sonnet 4 (https://www.anthropic.com/news/claude-4) just got released and the baby went to sleep early, so let's try it out! We wrote a library for the STSPIN220 (https://www.digikey.com/en/products/detail/stmicroelectronics/STSPIN220/6137574) — this is a stepper motor driver like the A4988 (https://www.adafruit.com/product/6109) or TMC2209 (https://www.adafruit.com/product/6121), but for low voltage motors. One interesting thing about it is it uses the step/dir and two mode pins to set the micro-steps, from 1 to 1/256. Since that gets a little confusing, we figured a…