An Improved Multi-sensor

This is the build of a new multi-sensor with motion, temperature, humidity and light level sensors.  Its simple design improves upon my original 3-year old version.

A written copy of this project, along with parts list, wiring diagrams, code samples and more can be found at: https://resinchemtech.blogspot.com/20...

Chapter Breaks:
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00:00 Introduction
01:04 Overview of current multi-sensor
01:40 Issues with PIR motion sensors
03:10 Components of current multi-sensor
05:07 Overview of new version components
07:49 Details of the microwave motion sensor
10:39 Details of the AHT20 temp/humidity sensor
11:42 Details of the LM393 Photoresistor module
12:58 Details of a common cathode RGB LED
14:04 Testing of individual components
14:20 Bench testing the RCWL-0516 microwave motion sensor
17:54 Bench testing the AHT20 temperature/humidity sensor
19:29 Bench testing the LM393 Photoresistor module
20:35 The ESPHome firmware
21:09 Full bench test and Home Assistant Integration
22:50 Assembly and enclosure options
24:42 Final installed testing of new multi-sensor
28:50 Conclusions and final thoughts

Parts Used:
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NodeMCU ESP8266: https://amzn.to/3BcRaHT
RCWL-0516 Microwave Motion Sensor: https://amzn.to/3CW542q
AHT20 I2C Temp & Humidity Sensor: https://amzn.to/3KQ7KRo
Photosensitive Sensor Module: https://amzn.to/3Rg9vK0
Common Cathode RGB LED: https://amzn.to/3RfP8g3
ElectroCookie Solderable Breadboard: https://amzn.to/3RDdHDq
M-F Dupont Jumper Wires: https://amzn.to/3CZ1TqS
5V Micro USB Cable / power supply: https://amzn.to/3BcRFlf
Original parts:
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Project box (original / no 3D printer version): https://amzn.to/3wSfNHh
AM312 PIR Sensor: https://amzn.to/3D7nM7g
DHT22 Temp/Humidity Sensor: https://amzn.to/3edEM1k

Some of these links may be Amazon affiliate links.  Use of these links will not affect your pricing, but this channel may earn a small commission if you make a purchase.  Use of these Amazon links is one the best ways to show your support for the channel... at absolutely no cost to you!

Additional Links & Info:
=======================
Written version of this project: https://resinchemtech.blogspot.com/20...
ESPHome Code: https://gist.github.com/Resinchem/b56...
3D Design files for enclosure: https://www.thingiverse.com/thing:551...
Automated Garage Lighting System: Automated Garage Lighting with Home A...
WS2812b Matrix Dual Controller Clock with WLED: WS2812b Matrix with Dual-Controller C...
Article on use of capacitors and resistors with the RCWL-0516: https://wolles-elektronikkiste.de/en/...
Original Sensor Build video by Bruh Automation: $15 DIY Multisensor - Temperature, Hu...


In addition to my affiliate links, you can also support the channel, or just say thanks, by buying me a cup of coffee at:
https://www.buymeacoffee.com/resinche...

#esp8266
#esphome
#homeassistant

• #science_technology
• #home_assistant
• #multi_sensor
• #motion_detection
• #motion_detector