Uploaded June 2022 | Updated September 2026, 2 weeks ago

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In todays video we are going to have a look at 4 Simple Wireless Bed sensors that you can put together yourself to allow you to utilise your beds in your smart home automations. For 3 of these sensors we will be modifying some AQARA Contact Sensors.

These sensors don't just have to be for bed occupancy. They work great under carpets and in chairs too! Excuse the janky soldering. These units where my testing/prototype builds.

For help with taking the AQARA contact sensor apart ensure you watch the sensor 1 chapter.

▬ 🎥 VIDEO CHAPTERS: ▬▬▬▬▬▬▬▬▬▬▬▬▬▬
0:00​​​​ - Intro
0:21​​​ - Todays Video
1:10​ - Sensor 1 (Aqara Contact Sensor + Car Seat Sensor)
4:30​ - Sensor 2 (Aqara Contact Sensor +Pressure Mat Sensor)
5:52​ - Sensor 3 (Aqara Contact Sensor + Thin Film Pressure Sensor)
7:25 - Limitations and Work arounds for Sensors 1-3
9:27 - Sensor 4 (ESP32 + Thin Film Pressure Sensor)
10:55 - Differences and Trade-offs
11:40 - Aqara Sensor Potential Issues
12:43 - What can we do with the Sensors?
13:40 - Summary
14:50 - Outro
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▬ Items Used In The Video ▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Aqara Contact Sensor
UK - amzn.to/39SKios
US - amzn.to/3OktlCp
(If you dont mind the wait - You can also get them cheaper on AliExpress)

Car Seat Sensor
https://s.click.aliexpress.com/e/_DBrWFqJ

Pressure Mat Sensor
UK - amzn.to/3nhppGq

Wire I used
UK - amzn.to/39Pns11

Soldering Iron
amzn.to/3xPpZjO

Thin Film Preassure Sensor
UK - amzn.to/3OHjiqu

ESP32 Wemos
UK - amzn.to/3xVX0uJ

Project Boxes
UK - amzn.to/3Ne5S4k

Electronic Breadboard
amzn.to/3ncTrv1

Aurora One (Zigbee with power monitoring)
smart-secure.co.uk/product/aone-zigbee-twin-switched-socket
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Some of the above links are affiliate links. While it doesn't cost you anything extra to use (and you don't have to use them) I get a very small commission from them which is used to fund future videos like this.

▬ Handy Video Links ▬▬▬▬▬▬▬▬▬▬▬▬▬▬
Build Your Own Smart Alarm System
youtu.be/f-ZNyT72Oyk

Alexa TTS in Home Assistant
youtu.be/M3-m2fDttmg

Cast Your Home Assistant Dashboards
youtu.be/elLMr4dSuhc

GitHub For Sensor Projects
Iain Hays Project - github.com/IainPHay/ESPHome-bed-occupancy-FSR

HA Forum Post
community.home-assistant.io/t/fsr-the-best-bed-occupancy-sensor/365795
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