Description 1. Low-power dual-core 32-bit CPU,can be used as application processor 2. Main frequency up to 240MH,computing power up to 600MIPS 3. Built-in 520 KB ,external 4M PSRAM 4. Support UART/SP/I2C/PWM/ADC/ and other interfaces 5. Support OV2640 and OV7670 cameras,built-in flash 6. Support WIFI upload of pictures 7. Support TF card 8. Support multiple sleep modes 9. Embedded wip and FreeRTOS 10. Support STA/AP/STA+AP working mode 11. Support SMart Confing/Airkiss one-key network configuration 12. Support secondary development Due to different batches,there may be differences in product appearance,color,and printed text,which not affect the use. Colour:Black Material:PCB Package Contents: 1x Development Board 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.