ESP32-S3-AMOLED-1.91 is a high-performance and scalable ESP32_GUI development board. With touch, support for 2.4GHz WiFi and BLE 5, integrated large-capacity Flash and PSRAM, onboard RTC, IMU, 1.91-inch AMOLED screen, exposed UART, GPIO, I2C, USB bus interface. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a main frequency of up to 240MHz. Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), onboard antenna. Built-in 512KB SRAM and 384KB ROM, stacked 16MB Flash and 8MB PSRAM. Onboard 1.91-inch wide capacitive AMOLED screen, 536 x 240 resolution, 65K color. The AMOLED screen display uses the QSPI interface, which increases the speed while saving a lot of IO. The touch version uses the I2C interface to communicate with the touch chip, supporting 5-point touch and interrupt output. Onboard IMU, SD card holder; the appearance adopts the form of a development board, with a large number of exposed GPIOs, so that it can meet various occasions. Note:Due to different production batches, there are differences in silk screen printing/appearance, which does not affect usage. Colour:Black Material:PCB+Plastic Package Contents: 1 * 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.