ESP8266 esp-12e

 ESP8266 esp-12e

Для разработки беспроводных устройств.
Микроконтроллер с вcтроенным WiFi. Может работать в режиме AP (access point) и STA (station).

Проверенные библиотеки под ардуино. Можно за 1 день сделать Web сервер или подключить в систему Умного дома про протоколу MQTT.

Программируется через главным образом через USB, но при желании есть варианты даже по Wifi.

CH340 chip-driven official description:

WINDOWS driver USB to serial CH341 / CH340 installation package
Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA / Server 2008 / Win7 / Win8 / Win8.1 32 Bit / 64 and MAC
Through Microsoft's digital signature authentication.In the computer end of the USB device emulation as a standard serial devices Serial COM. It contains the serial number and identification CH34X monitoring CH34X equipment swap library.

    Feature:
  • Wireless 802.11 b / g / n standard
  • Support STA / AP / STA + AP three operating modes
  • Built-in TCP / IP protocol stack to support multiple TCP Client connections (5 MAX)
  • 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
  • Current: continuous transmission: 70mA (200mA MAX), Standby: <200uA
  • Transfer rate: 110-460800bps
  • Support UART / GPIO data communication interface
  • Remote firmware upgrade (OTA)
  • Support Smart Link Smart Networking
  • Working temperature: -40 ~ + 125
  • Drive Type: Dual high-power H-bridge driver