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Finally, you can use a D1 mini without a USB cable. Now it is really wireless.

Through the use of this baterry h. i. e. l. d. and the lithium battery you can use a D1 mini anywhere.

Power supply: just connect the lithium battery to the shield and to the power of the whole system D1 mini.

Charging: when the lithium battery becomes exhausted, there is no need to disconnect, you can use the USB port to charge.

 

Lithium battery CR2032 is not included

Package contents:

1x WeMos Battery Shield for D1 mini - power supply and charging lithium batteries

2x pins

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