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 SRAM Support UART/SPI/I2C/PWM/ADC/DAC and other interfaces,Support OV2640 and OV7670 cameras, built-in flash Support STA/AP/STA+AP working mode Working voltage: 4.75-5.25V SPIFlash: default 32Mbit RAM internal: 520KB Support interface (2Mbps) UART, SPI, I2C, PWM Support TF card, maximum support 4G Serial port rate default:115200bps Spectrum range:2400-2483.5MHz Image output format: JPEG (only OV2640 support), BMP, GRAYSCALE Transmit power: 802.11b: 17±2dBm (@11Mbps) Working temperature: -20 ℃-70℃ Storage environment: -40 ℃-125℃, Less than 90%RH (The product printed words may vary depending on the batch, but this does not affect use) Color:As Shown Material:PCB Package Contents: 1 * 1.9 Inch ESP32-S3 Display Module