S3 Dev Board-A is a low-cost, high-performance microcontroller development board with a compact size and rich peripheral interfaces. The main chip adopts ESP32-S3, which is an MCU chip that integrates 2.4 GHz Wi Fi and Bluetooth 5 (LE) You can experience the fun of USB and UART development with just one USB-C port, no longer worrying about switching interfaces You can choose development environments such as for ESP-IDF, for , and for MicroPython to easily and quickly get started and apply them to products The main chip adopts ESP32-S3 Equipped with Xtensa 32-bit LX7 dual core processor with a main frequency of up to 240 MHz Onboard 4MB Flash memory Adopting USB Type-C interface, no need to worry about front and back insertion, say goodbye to old interfaces The CH343 and CH334 of Qinheng on board can experience the fun of USB and UART development with just one USB-C port The onboard DC-DC chip MP28164 is a high-efficiency DC-DC step-down boost chip, with a maximum load current of up to 2A Supports multiple low-power working states, adjusts the optimal balance between communication distance, data rate, and power consumption, and meets the power consumption requirements of application scenarios Up to 27 multifunctional GPIO pin leads Stamp hole design, which can be directly welded and integrated into the user's self-designed base plate Featuring a variety of peripheral interfaces, including USB OTG, SPI, I2C, UART, ADC, PWM, (8-bit to 16 bit camera interface), LCD interface (8-bit to 16 bit parallel RGB, I8080, MOTO6800), etc., allowing you to achieve functions more flexibly. Note:Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:As Shown Material:PCB Package Contents: 10 * 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.