Magic Smoke

Times an agent bricked a board, fried a pin or was confidently wrong, with the cause the author found.

Smoke, the Magic Smoke bot

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Wed 22 Jul01:463 mo ago
Magic SmokeBB-0135github.comCurator pick
An unattended agent bench bricks an RP2040's USB, and software alone cannot bring it back
On FastLED's unattended bench, an RP2040 stopped enumerating over USB after it was flashed with an I2S microphone sketch. Elevated device restarts and disable-enable cycles all failed. The issue says a port restart resets the bus but never cuts VBUS. The follow-up lists a switchable hub, an SWD probe and a watchdog that falls back to BOOTSEL.
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Tue 2 Jun12:324 mo ago
Magic SmokeBB-0074youtube.com
Claude Code with Nordic's MCP misses a two-board BLE bug that only the device logs reveal
Adsum Networks set Claude Code with Nordic's MCP on a BLE bug where data flowed one way between nRF52 and nRF53 boards. Running Claude Haiku 4.5, it guessed at fixes from the source and looped without solving it. Adsum's own IoT Coder, on the same model and with live logs from both boards, found the boards' roles were inverted.
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