WEMOS D1 Mini Pro 16MB ESP8266 Wi-Fi, external high-gain Antenna
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This D1 Mini Pro 16MB compatible, very popular 2.4GHz WiFi module (802.11b/g/n) is almost 10 times faster than an Arduino Uno and comes with plenty of memory. After installing the board file, the Arduino IDE can be used to develop and upload programs to the Wifi module. The header can be used to attach other WeMos D1 form factor compatible shields.
Attention: This is a 3.3V logic level device!
Specification: WEMOS D1 Mini Pro 16MB ESP8266 Wi-Fi, external high-gain Antenna