41 lines
1.4 KiB
Markdown
41 lines
1.4 KiB
Markdown
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date = "2020-02-01T00:02:42+02:00"
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title = "ESPHome as a Ruuvi bridge"
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highlight = true
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draft = false
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+++
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[ESPHome](https://esphome.io/) is a framework for building custom home
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automation that runs on an ESP8266 or
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[ESP32][esp32]. It's pretty cool - you
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select and configure components by writing a [YAML
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file][cfg], which
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then drives host side [Python
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snippets][snip]
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to configure and bind the device side code, which is then built and
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pushed using [PlatformIO](https://platformio.org/).
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[esp32]: https://en.wikipedia.org/wiki/ESP32
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[cfg]: https://esphome.io/cookbook/display_time_temp_oled.html
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[snip]: https://github.com/esphome/esphome/blob/dev/esphome/components/ruuvitag/sensor.py
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Some nice touches:
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- It integrates with [Home Assistant](https://home-assistant.io/)
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and has automatic discovery
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- It can drive displays, including [rendering TTF files][ttf]
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host side to give nice fonts device side
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- It looks reasonably composable so, for example, you can have
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multiple Bluetooth broadcast parsers
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[ttf]: https://esphome.io/cookbook/display_time_temp_oled.html#define-the-fonts
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I used this to bridge between [Ruuvi tags](https://ruuvi.com/) and my
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Home Assistant instance. Home Assistant then re-exports everything to
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[Prometheus](https://prometheus.io/).
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It also gave me a reason to break out the 3D printer and make a case
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for the ESP-WROOM-32 based
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[Lolin32](https://wiki.wemos.cc/products:lolin32:lolin32):
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