canbus: note pigtail wiring colors (green=CAN-L, blue=CAN-H)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-12 11:42:21 -04:00
parent cda537da29
commit 81bd58206d
2 changed files with 2 additions and 0 deletions
@@ -36,6 +36,7 @@ state + what's left.
  (the one with the terminator), per `README.md` → "Physical connection".
  ⚠️ Meter the port first: data idles ~2.5 V, power reads ~12 V; 12 V on CAN-H/L
  destroys the transceiver.
+  - **Pigtail wiring (as crimped):** green = CAN-L, blue = CAN-H.
 - **GPIO:** transceiver `CTX/D` ← ESP32 `GPIO5` (tx_pin), `CRX/R` → `GPIO4`
  (rx_pin). Adjust `substitutions:` in the YAML if you wire differently.