High-performance master control with built-in Bluetooth/WiFi: High-performance ESP32-S3 master control, equipped with 16M external FLASH chip and 8M external PSRAM chip, full performance, built-in Bluetooth/wifi function, extremely playable! Compatible with Lichuang S3: Pin compatible with Lichuang ESP32-S3 development board, easy to get started, project-based learning Immersion gold base plate half-hole process The base plate adopts the immersion gold process, which is easy to weld and reliable in quality. The half-hole process makes it easy for users to integrate the development board into the PCBA designed by themselves Free choice of onboard/external antenna: Onboard ceramic antenna and generation antenna interface. If you pursue long-distance communication, you can choose an external antenna by yourself (The product printed words depending on the batch, but this does not affect use) Color:White Material:PCB Package Contents: 1 * Development Board(Not soldered and without header pins) 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.