Starter ESPHome config
Built from the pinout above. Keys and the Wi-Fi password come from secrets.yaml in ESPHome. Check the pins against your hardware revision before flashing: one model can ship with different boards.
substitutions:
name: smart-powermeter
esphome:
name: ${name}
friendly_name: "Smart Powermeter"
esp32:
board: esp32dev
logger:
api:
encryption:
key: !secret api_key
ota:
- platform: esphome
password: !secret ota_password
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
ap: {}
captive_portal:
# Other pins from the pinout:
# GPIO1: Probe 1
# GPIO2: Probe 2
# GPIO3: Probe 3
# GPIO4: Probe 4
# GPIO5: Probe 5
# GPIO6: Probe 6
# GPIO8:
# GPIO10:
# GPIO11:
# GPIO12:
# GPIO13:
# GPIO14:
# GPIO15:
# GPIO33:
# GPIO34:
How to flash
- Most devices are flashed over UART: a 3.3 V USB-TTL adapter to RX, TX, GND and 3V3, holding GPIO0 to ground at power-on (ESP8266/ESP32). Mains power disconnected.
- Beken (BK72xx) and Realtek chips are flashed with ltchiptool, or with cloudcutter without opening the case if the firmware allows it.
- Details and board photos: the device page in the ESPHome database.
A config from scratch: ESPHome generator. Which pins are safe: pinout.