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A comment on ESP 8266 Wi-Fi Repeater with Mesh Networking. Parent comment

Re:ESP 8266 Wi-Fi Repeater with Mesh Networking by rcarmo on Tuesday December 26, 2017 @03:30PM (#16010812)
On the topic of deep sleep, I've done it half a dozen times already on the ESP-01:

https://taoofmac.com/space/blog/2017/11/05/2130

There are hacks to trigger wake with auxiliary circuitry, but it would be nicer (if more demanding in terms of current) to monitor a GPIO pin.

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