ATOMS3 Lite is an Atom Series Programmable Controllerin the M5Stack Development Kit series using ESP32-S3 as the main control, its size is only 24*24*9.5mm (less then 1 inch!), the main control adopts the ESP32-S3FN8 scheme, with 8MB SPI flash memory, integrated Wi-Fi, built-in 3D antenna, 5V to 3.3V power circuit, infrared LED light, RGB LED Status Indicators, Button and GROVE/HY2.0-4P interfaces. The bottom of the product is equipped with apower supply and 6 GPIO headers to facilitate expansion applications. The on-board Type-C interfacecan to reprograming, downloading, and serial port communication functions; An M2 screw holeis provided on the back for fixing. Suitable for all kinds of embedded smart device applications. If you want to enter download mode, press and hold the RESET button on AtomS3 Lite before turning it on, then release it after powering it on.