Daniel Scheidler
GERMANY • + Follow
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Description
Integrate every doorbell in Home Assistant
This PCB was designed to integrate my old doorbell into Home Assistant.
The board uses the transformer output as power supply and an optocoupler to get the signal of the bell button.
Software based on ESPHome.
Parts:
1x PC817
1x L7805CV
1x 10k Ohm resistor
1x 1,2k Ohm resistor
1x 560 Ohm resistor
1x 330 Ohm resistor
6x 1N5404 diode
1x 100uF 50V
1x 1000uF 35V
1x D1 mini
2x 2-way terminal-block RM 5,08
+ some header pins
ESPHome Code: https://smarthomeyourself.de/hc_downloads/klingel_esphome.txt
Video about this project:
https://www.youtube.com/c/SmarthomeyourselfDe_DIY/videos
May 26,2021
7,130 views
Integrate every doorbell in Home Assistant
7130
11
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8.58 (3)
Published: May 26,2021
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8.58
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- Integrate every doorbell in Home Assistant This PCB was designed to integrate my old doorbell into Home Assistant. The board uses the transform...
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