Specifications Host ESP 32 S3R8 up to 240MHzInterface C type interfaceExternal SPI flash 16MExternal PSRAM 8MLinear regulator 5V to 3 3V LDO 800Features 1 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 2 Efficient WIFI connection comprehensive bluetooth function support 2 4GHz 802 11b g n Wi Fi supports classic bluetooth and low power bluetooth BLE functions 3 The base plate adopts the gold immersion 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 4 The product comes with an onboard antenna or an external antenna onboard ceramic antenna and IPEX generation antenna interface If you pursue long distance communication you can choose an external antenna by yourself 5 Development environment supports multiple development environments providing developers with flexible programming options ESP IDF ArduinoIDE MicroPython6 Wide range of application scenarios suitable for industrial automation maker DIY smart home and other fields meeting the different needs of various fields Package Include 1x Development Board Non soldered Soldered Optional