Monitoring LiPo battery voltage with Wemos D1 minibattery shield

Product Description

There are a million reasons why you would want to monitor the Battery voltage of  your Battery fed ESP8266. I will illustrate it with a Wemos D1 mini and the Battery shield I am using a small 720 mAh LiPo cel. If I just leave the Wemos access the internet continuously it will last 6.5…

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