ESPHomeDevices

Simple device YAML files for ESPHome integration with HomeAssistant.

• See also esphome-bthome fork which is used to create bluetooth beacon devices compatible with ESPHome >2026.4.0 environment.
  • developer notes

ESP32-C3 super mini

These are for cheap ESP32-C3 super mini boards.

• Highly recommend fixing the antenna: See Peter Neufeld's blog

projects

bt-proxy.yaml

• Cheap BT wifi proxy for Homeassistant.
• Blue LED flashes on every BT advert received as a heartbeat
• Runs continuously so as not to miss bursty beacons from devices
• Recommend adding external antenna...
• adds mac address bytes to the hostname for unique ID

temp-sensor.yaml

• AHT20 I2C temp sensor
  • sda: GPIO3
  • scl: GPIO4
• marked AHT10 on board but needs AHT20 driver
• Uses modified BT proxy library