How to Actually Use AI Coding Agents — 6 Skill-Specific Tips

1. Where Vibe Coding Breaks Last year I was adding one BLE sensor node to a Zephyr-based nRF52 firmware. I threw a one-liner at Claude Code - "enable the SPI driver" - and a single clean line landed in prj.conf: CONFIG_SPI_NRFX_SPIM3=y. The build passed. The binary flashed. The board would not boot. Thirty minutes of digging later, it hit me - that symbol does not exist anywhere in Zephyr. The correct answer on this chip family is CONFIG_SPI_NRFX_SPIM plus a Devicetree node activation.