FEATURES
 Up to 160MHz clock speed，Summary computing power up to 600 DMIPS
 Built-in 520 KB SRAM, external 4MPSRAM
 Supports UART/SPI/I2C/PWM/ADC/DAC
 Support OV2640 and OV7670 cameras, Built-in Flash lamp.
 Support image WiFI upload
 Support TF card
 Supports multiple sleep modes.
 Embedded Lwip and FreeRTOS
 Supports STA/AP/STA+AP operation mode
 Support Smart Config/AirKiss technology
 Support for serial port local and remote firmware upgrades (FOTA)