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As I showed with the Long Term data logger test you can run an ESP8266 for almost three months and post temperature and humidity every 10minutes to the internet from 3AA batteries. But 3AA batteries are quite spacious and fitting them and the ESP8266 into …
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Today I started a (hopefully) long term battery test with the ESP8266 board I reviewed here. The conditions are: powered by 3 AA batteries (serial) every 10 minutes update temperature and humidity retrieved from a DHT11 to thingspeak go the deep sleep between the posts …
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