WiFi R3 ATmega328P+ESP8266 (32Mb memory), USB-TTL CH340G Description: Model Number: UNO+WiFi-R3-AT328-ESP8266-32MB-CH340G is_customized: Yes Brand Name: RobotDyn Supply Voltage: 6~9V recommind Type: Logic ICs Condition: New MCU: ATmega328 WiFi MCU: ESP8266 USB-converter: CH340G PinOut Uno: Uno R3 UNO+WiFi R3 ATmega328P+ESP8266 (32Mb memory), USB-TTL CH340G. Compatible for Arduino Uno, NodeMCU, WeMos ESP8266 Package Included: 1PC*UNO+WiFi R3 ATmega328P+ESP8266 (32Mb memory) USB-TTL CH340G For Arduino NodeMCU