ESPresense v3 - Room level presence detection with ESP32 and Home Assistant 
Beginner DIY ESPHome mmWave Presence Sensor 
Prerequisites#
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- AHT20 BMP280 Temperature Humidity and Pressure Sensor
- Amazon: (5 pack) (Individual)
- Aliexpress: (AHT20 BMP280)
- Dupont Cable
- Amazon: (Dupont Cable 120 PCS Assorted)
- Aliexpress: (Dupont Cable Male to Male and Male to Female)
- Termoretractil Heat shrink tube
- Amazon: (Heat Shrink Tube)
- Aliexpress: (Heat Shrink Tube)
fixtSE DIY Sensor Case#
You can get it on:
Or order it from:
Save $5 on your first order using our link: https://pcbway.com/g/lHR6if
How to wire it up#
| ESP32 Board | BH1750 | AHT20 BMP280 |
|---|---|---|
| 3v3 | VCC | VDD |
| GND | GND | GND |
| D22 | SCL | SCL |
| D21 | SDA | SDA |
ESPHome Firmware#
The only difference between the two firmwares is the Bluetooth Proxy. If you don't need it, you can use the firmware without it.
You can find the documentation here
The YAML file, which allows you to customize the project and use it with your own devices, is now available on our Ko-Fi Shop. For the first two weeks after release, Channel Members and Patreons can unlock it for free on our website.
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I would love to hear your comments, or suggestions on this post.
Fixt is a Software Engineer passionate about making the world a better place through technology and automation.