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initial port of heltec v4 and v4.3 boards

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liquidraver
2026-04-08 11:21:44 +02:00
parent 5f9c8b0d99
commit 3b3eff7aab
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zephcore/boards/example_board/README.md
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@@ -32,6 +32,13 @@ SWD flash: `west flash` (requires J-Link, pyocd, or nrfjprog connected).
| XIAO ESP32-S3 | `west build -b xiao_esp32s3/esp32s3/procpu zephcore` | `west flash` |
| Station G2 | `west build -b station_g2/esp32s3/procpu zephcore` | `west flash` |
| Heltec V3 | `west build -b heltec_wifi_lora32_v3/esp32s3/procpu zephcore` | `west flash` |
| Heltec V4.2 (GC1109 PA) | `west build -b heltec_wifi_lora32_v4/esp32s3/procpu zephcore` | `west flash` |
| Heltec V4.3 (KCT8103L PA) | `west build -b heltec_wifi_lora32_v43/esp32s3/procpu zephcore` | `west flash` |
**Heltec V4.2 vs V4.3:** The hardware revision is printed on the PCB silkscreen. If
unclear, check GPIO2's default pull: the V4.2 GC1109 PA has an internal pull-down
(GPIO2 reads LOW at boot), while the V4.3 KCT8103L PA has an internal pull-up
(GPIO2 reads HIGH). Only difference in firmware: TX control pin GPIO46→GPIO5.
ESP32 flash uses esptool over USB. Hold BOOT button if device doesn't enter download mode.