I Built a $5 Wireless Smart Motion Sensor for My Smart Home—Here’s How You Can Too!
Looking for an affordable way to enhance your smart home setup? I built this wireless, battery-powered motion sensor for under $5, and it’s a game-changer! In this step-by-step tutorial, I’ll guide you through creating your own compact sensor that works seamlessly with Home Assistant, Node-RED, or any MQTT server. Perfect for automating lights, alarms, or other smart devices, this DIY project gives you complete control—without the wires!
What You'll Need:
ESP-01 WiFi Module
PIR SR602 Motion Sensor
2N2222 Transistor
Resistors (10kΩ, 5kΩ, 1kΩ)
1uF 63V Capacitor
1000mAh Li-Ion Battery (or 16340 Li-Ion cell)
Li-Ion Charging Module
3D-Printed Case (Thingiverse Download)
This sensor operates on a battery that lasts over a month with 20-30 daily triggers. Mount it easily with magnets or hot glue and start controlling your smart home devices wirelessly. Ready to build yours? Get the firmware and libraries below and start upgrading your home automation today!
Download the firmware and necessary libraries from the link below:
https://pastebin.com/TSscKpPY
Circuit Diagram: https://prnt.sc/t8UYBaBti0gz
https://content.instructables.com/FCE...
Written Guide and Simple Circuit Diagram: https://www.instructables.com/ESP-01-...
3D Printed Case:
[WILL SHARE SOON] - Meanwhile, you can use these: https://www.thingiverse.com/search?q=...
PCB Gerber File: https://drive.google.com/file/d/1D_18...
Don’t forget to like, share, and subscribe for more DIY smart home projects!
#smarthome
#diyelectronics
#homeautomation
Please Support me on Patreon: / techposts
My Gears
My Camera- http://amzn.to/2mkYkT1
My Laptop- http://amzn.to/2r1MQtl
My Mic (Voice-over) - http://amzn.to/2ml0H88
My Lav Mic- http://amzn.to/2CSAIft
My Smartphone- http://amzn.to/2FvNimK
My Tripod- http://amzn.to/2CUsVxC and Pico Dolly: http://amzn.to/2ExqXUA
My Tripod (For Smartphone)- http://amzn.to/2D374bA
32GB Memory Card- http://amzn.to/2DjQDV3
Green Screen- http://amzn.to/2mkZ0Yv
Boom Arm For Mic- http://amzn.to/2Dl6mDn
Subscribe to our Youtube Channel for More: http://goo.gl/BE00aR
You can also Follow "Techposts" on:
Facebook: / techposts007
Google+: https://google.com/+Ravisingh9
Twitter: / coolbuddy543
Visit http://http://techposts.org for More Tech How to guides.
