Original Arduino UNO WiFi REV2
ESP-12L ESP8266 Serial WIFI Wireless Module – SMD-16 Package
ESP8266EX Single-Core 32-Bit MCU 2.4GHz Wi-Fi – 32-Pin QFN Package
Uno+WiFi R3 AtMega328p+ESP8266 8mb Memory USB-TTL CH340G Compatible for Arduino UNO
ESP8266/ ESP-12F Module/ Serial WiFi Witty Cloud Development Board + Mini NodeMCU
UNO Based ESP8266 Nodemcu Development Board
- ESP8266 Development Board
- Microcontroller: ESP-8266
- Input Supply: 7V ~ 12VDC
- Operating Voltage: 3.3VDC
- Digital I/O Pins: 11
- Analog Input Pins: 1
- Clock Speed: 80MHz/160MHz
- Flash: 4MB
- Based on ESP-8266EX.