An Improved Multi-Sensor

Learn how to build an improved multi-sensor device with motion, temperature, humidity, and light level sensors in this 30-minute tutorial. Explore the components, including a NodeMCU ESP8266, RCWL-0516 microwave motion sensor, AHT20 temperature and humidity sensor, and LM393 photoresistor module. Follow along as the video demonstrates bench testing of individual components, integrating with ESPHome firmware, and connecting to Home Assistant. Discover assembly techniques, enclosure options, and final installation testing. Gain insights into enhancing your smart home setup with this DIY multi-sensor project, complete with parts list, wiring diagrams, and code samples available in the accompanying blog post.

Introduction
Overview of current multi-sensor
Issues with PIR motion sensors
Components of current multi-sensor
Overview of new version components
Details of the microwave motion sensor
Details of the AHT20 temp/humidity sensor
Details of the LM393 Photoresistor module
Details of a common cathode RGB LED
Testing of individual components
Bench testing the RCWL-0516 microwave motion sensor
Bench testing the AHT20 temperature/humidity sensor
Bench testing the LM393 Photoresistor module
The ESPHome firmware
Full bench test and Home Assistant Integration
Assembly and enclosure options
Final installed testing of new multi-sensor
Conclusions and final thoughts