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. Built-in 520 KB SRAMSupport UART/SPI/I2C/PWM//DAC and other interfaces. Support OV2640 and OV7670 cameras, built-in flash. Support WiFI upload. Support TF card. Support multiple sleep modes. Embedded Lwip and FreeRTOSSupport STA//STA+ working mode. Support Smart Config/AirKiss one-click network configuration. Support secondary developmentWorking voltage: 4.75-5.25V; SPIFlash default: 32Mbit; RAM internal: 520KB; Wi-Fi: 802.11b/g/e/iBluetooth: Bluetooth 4.2BR/ and standardSupport interface (2Mbps): UART, SPI, I2C, PWMSupport TF card, maximum support 4GIO port 9Serial port rate: default 115200bpsSpectrum range: 2400 ~2483.5MHzAntenna form Onboard: PCB antenna, gain 2dBi output : JPEG (only OV2640 support), BMP, GRAYSCALEPackaging DIP-16Transmit power 802.11b: 172dBm (@11Mbps)802.11g: 142dBm (@54Mbps)802.11n: 132dBm (@MCS7)Receiving sensitivity , 1Mbps: -90dBm, 11Mbps: -85dBm6Mbps(1/2BPSK): -88dBm54Mbps (3/464-QAM): -70dBmMCS7 (65Mbps, 72.2Mbps): -67dBmPower consumption Turn off the flash: 180mA@5VTurn on the flash and adjust the brightness to the maximum: 310mA@5VDeep-sleep: The lowest power consumption can reach 6mA@5VModerm-sleep: the lowest can reach 20mA@5VLight-sleep: the lowest can reach 6.7mA@5VSecurity:WPA/WPA2/WPA2-Enterprise/WPSWorking temperature:-20 ~ 70 Storage environment:-40 ~ 125 , Less than 90%RHApplication: device transmissionWireless monitoringSmart agricultureQR wireless recognitionWireless positioning system signalAnd other IoT applicationscolor:YellowMaterial:PCB+MetalPackage Contents:1 x ESP32 development board display screen1 x USB cable1 x Transparent storage boxOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.