UNO R3 ESP8266 Serial WiFi Module Extend Board 18650 Battery Shield Arduino US
ab 2,00 €
Features for ESP-12 Module 1 x Battery Shield Module ( Battery Not Included ). This version, the ESP8266-03 is one of the smallest versions of this module. It includes a buil-in ceramic antenna. Be careful of "+" and "-", You should follow the direction of "+""-" on the PCB.
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