ESP8266 ESP32 Netzteil Modul 16340 Batterie Shield Bank für Arduino UNO R3
12,43 €
We use 16340 lithium battery (need to buy it yourself), you can use only one battery, you can also use 2 batteries to get more long-lasting life. Two 16340 lithium batteries (depending on the battery capacity) about 1500mAH capacity.
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