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UNO R3 + WiFi: ATmega328P + ESP8266 (32Mb memory) UNO+WiFi-R3-AT328-ESP8266-32MB-CH340GSupply Voltage: 6~9VMCU: ATmega328WiFi MCU: ESP8266USB-converter: CH340GPinOut: Uno R3Compatible with Arduino UnoWith capabilities of NodeMCU, WeMos ESP8266
Source: Arduino UNO R3 + WiFi

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