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An overview video of the version 2.5 of my ultra-low power battery-based door/window sensor. I kept the schematics, design and code but made a change in the components to make it more practical. Get 10 PCBs for $5 USD at www.pcbway.com
Version 1 - • My Ultra Low Power Wir...
Version 2 - • Version 2.0 - My Ultra...
This sensor can be used to monitor doors, motion, or it can act as wall switches. It uses microAmps while in standby and has a trigger time of 240ms. It is designed using ESP8266, Attiny and communicates over ESPNOW, Wifi and MQTT.
Get the Mico-Switch
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Amazon.com - amzn.to/3qcnxSd
Amazon.ca - amzn.to/3BRC5bZ
AliExpress - s.click.aliexp...
Get the Code & Schematics
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store.mrdiy.ca...
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