Eiechip ESP12E D1 Uno Based On Esp8266 Motherboard WiFi wemos for arduino Shielded Wireless Arduino Compatible IDE DIY Starter kit Esp12e Development Esp8266 uart WiFi Wireless Shield Uno R3 Esp12

NOTE: As the production time is different, the words on the board may be different, but function is same Description: Based on the ESP-8266EX . Arduino Compatible, you can use it on Arduino IDE. 11 Digital I/O pins 1 Analog Input pin OTA -- Wireless Upload(Program) Processor: ESP8266EX. Operating voltage: 3.3V. Input voltage: 6-24V. I / O: 11. AD Input voltage: 0-3.3V. Flash: 4MB. SRAM: 32KB. DRAM: 80KB. Clock Frequency: 80MHz/160Mhz. Network: 802.11 b/g/n. Size?71*54*12mm/2.8*2.1*0.47(L*W*H). Weight:21g/0.72oz. All IO operating level of 3.3V, 5V withstand instantly. Package Include: 1*Eiechip D1 CH340 WiFi Development Board with Box