• Dual-core 32-bit CPU, used as an application processor

• 240MHz main frequency, 600 DMIPS computing power 

• Built-in 520 KB SRAM, external 8MB PSRAM

• UART/SPI/I2C/PWM/ADC/DAC and other port

• OV2640 and OV7670 cameras, built-in flashes

• Picture WiFI upload

• Multiple sleep modes

• Embedded Lwip and FreeRTOS

• STA/AP/STA+AP working mode

• Smart Config/AirKiss one-click network configuration

• Support secondary development

Specifications:

• Working voltage: 4.75-5.25V

• SPIFlash: default 32Mbit

• RAM internal: 520KB + external 4MB PSRAM

• Wi-Fi: 802.11b/g/n/e/i

• Bluetooth: 4.2BR/EDR and BLE

• Interface: (2Mbps) UART, SPI, I2C, PWM

• TF card:  max  4G

• Serial port rate: default 115200bps

• Spectrum range: 2400 ~2483.5MHz

• Antenna form Onboard: PCB antenna, gain 2dBi

• Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE

• Packaging method: DIP-16

• Transmit power 802.11b: 17±2dBm (@11Mbps)

• 802.11g: 14±2dBm (@54Mbps)

• 802.11n: 13±2dBm (@MCS7)

• 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 max: 310mA@5V

• Deep-sleep: The lowest power consumption can reach 6mA@5V

• Moderm-sleep: the lowest can reach 20mA@5V

• Light-sleep: the lowest can reach 6.7mA@5V

• Security: WPA/WPA2/WPA2-Enterprise/WPS

Application:

• Home smart device image transmission

• Wireless monitoring

• Smart agriculture

• QR wireless recognition

• Wireless positioning system signal

• And other IoT applications