My Ultra Low Power Wireless Trigger Sensor: Overview (Part 1)

Published: 17 October 2020
on channel: MrDIY

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This video introduced the design of a wireless, battery-based, low-cost, real-time trigger sensor.
The Build - • My Ultra Low Power Wireless Trigger S...
The Hub - • My Ultra Low Power Wireless Trigger S...

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.

Amazon.com:
Wemos d1 mini (4M version) - https://amzn.to/3bqzb2c
ESP-01 module - https://amzn.to/356vxb1
ESP-12F module - https://amzn.to/2GZUEVf
ATtiny13a - https://amzn.to/2GYKXGx
NPN kit - https://amzn.to/37eclLb

AliExpress:
Wemos d1 mini (4M version) - https://s.click.aliexpress.com/e/_dXc...
ESP-01 module with programmer - https://s.click.aliexpress.com/e/_eNOrzT
ESP-12F module - https://s.click.aliexpress.com/e/_etRdC1
ATtiny13a (DIP) - https://s.click.aliexpress.com/e/_ePqoLb
ATtiny13a (SMD) - https://s.click.aliexpress.com/e/_eO8tTP
NPN kit - https://s.click.aliexpress.com/e/_eOhevR

Amazon.ca:
Wemos d1 mini (4M version) - https://amzn.to/3fx28Lq
ESP-01 module with programmer - https://amzn.to/3kaGfnh
ESP-12F module - https://amzn.to/356vewT
ATtiny13a - https://amzn.to/37epB2t
NPN kit - https://amzn.to/3dALmuH

Get the project files: schematics and code on Instructables:
https://www.instructables.com/Ultra-L...

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