Product Introduction: Low power dual-core 32-bit CPU, can be used as an application processor The main frequency is up to 240MHz, and the computing power is up to 600 DMIPS Built-in 4MB FLASH and 4M PSRAM Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC OV2640 and OV7670 cameras with built-in flash Specification: weld pin / No welding pin Support picture WiFi upload, TF card support Supports multiple sleep modes Embedded Lwip and FreeRTOS Support STA/AP/STA+AP working mode Supports Smart Config/AirKiss one-click network distribution Support secondary development It can be widely used in a variety of Internet of things occasions, suitable for home intelligent devices, industrial wireless control, wireless monitoring, QR wireless recognition, wireless positioning system signals and other Internet of Things applications, is the Perfect solution for Internet of Things applications. Volume 802.11b/g/n Wi-Fi + BT/BLE SoC module Material: PCB+electronic components colour: black Package Contents: 1 x Development Board 1 x OV2640 Camera Module / 1 x Development Board 2 x pin 1 x OV2640 Camera Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.