Feature:
Use low-power dual-core 32-bit CPU, which can be used as an application processor.
The main frequency is up to 240MHz, and the computing power is up to 600 DMIPS
Serial port rate default 115200bps
Spectrum range 2400 ~2483.5MHz
Built-in 520 KB SRAM
SPI Flash default 32Mbit
Support (2Mbps)UART/SPI/I2C/PWM/ADC/DAC and other interfaces
IO port 9
Support OV2640 and OV7670 cameras, built-in flash
BLE 4.2BR/EDR and BLE standard
Support TF card, maximum 4G
Support multiple sleep modes.
Embedded Lwip and FreeRTOS
Support STA/AP/STA+AP working mode

Specification:
Working voltage 4.75-5.25V
Antenna form Onboard PCB antenna, gain 2dBi
Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE
Packaging method DIP-16
Receiving sensitivity CCK, 1Mbps: -90dBm
CCK, 11Mbps: -85dBm
6Mbps(1/2BPSK): -88dBm
54Mbps (3/464-QAM): -70dBm
MCS7 (65Mbps, 72.2Mbps): -67dBm
Power consumption Turn off the flash: 180mA@5V

Turn on the flash and adjust the brightness to the maximum: 310mA@5V
Deep-sleep: The lowest power consumption can reach 6mA@5V
Modern-sleep: the lowest can reach 20mA@5V
Light-sleep: the lowest can reach 6.7mA@5V
Security WPA/WPA2/WPA2-Enterprise/WPS
Working temperature -20 ℃~ 70 ℃

Package Included:
1pcs 2.8 inch touch screen
1pcs USB 2.0 to micro USB data cable 1M
1pcs 4pin dupont female to 1.25mm cable 20cm
1pcs touch pen