I love 433MHz sensors because they are cheap and work over a long distance. My most complicated device is this weather station with many sensors. We also use BLE devices like the Xiaomi body scale in our bathroom. Today I will show you how to connect such devices to your smart home without hacking. And, as usual, you will learn some tricks and why the BLE proxy of Home Assistant sometimes does not work.

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Links:
TTGO LoRa Board: https://s.click.aliexpress.com/e/_DFd...
TTGO T7: https://s.click.aliexpress.com/e/_Dl5... or https://s.click.aliexpress.com/e/_DeG...
Video on how to connect to Telegram:    • 435 Safely Monitor and Alarm with Sup...  
Node-Red Flow 433MHz: https://drive.google.com/file/d/18MaC...
Node-Red Link BLE: https://drive.google.com/file/d/1nIbZ...
LoRa Gateway case: https://drive.google.com/drive/folder...
BLE Gateway case: https://www.thingiverse.com/thing:496...

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https://yosmart.com/
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The links above usually are affiliate links that support the channel (at no additional cost to you).
Supporting Material and Blog Page: http://www.sensorsiot.org
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