v0.1.0 — first public release

First public release of the Digital Sharpening Guide firmware for the M5StickC Plus.

Easiest way to install

👉 Flash it in your browser — no toolchain, just desktop Chrome/Edge/Opera and a USB-C data cable.

Manual flash

sharpening-guide-v0.1.0.bin is a merged ESP32 image — flash it to offset 0x0:

esptool.py --chip esp32 write_flash 0x0 sharpening-guide-v0.1.0.bin

What it does

Live green/blue/red angle feedback while you sharpen, per-side stroke counting, optional buzzer, and a session summary. See the README for the bill of materials, assembly, and usage.

⚠️ v0.1.0 — stroke-count and filter thresholds are still being tuned. Real-world tuning data very welcome (see Contributing).