For next few days you can grab an ESP8266 Dev Board (ESP12-E) for 50% off! You can also click here to find other stores that sell the ESP8266.
Recommended reading: Home Automation using ESP8266 eBook
Features and specifications:
- Wireless 802.11 b/g/n standard
- Supports three operating modes: STA/AP/STA+AP
- Built-in TCP/IP protocol
- D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capability 15mA
- AD0: 1 channel ADC
- Power input: 4.5V ~ 9V (10VMAX), USB-powered
- Support UART/GPIO data communication interface
- Remote firmware upgrade (OTA)
Related project: ESP8266 Web Server with Arduino IDE
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