Controlling the light-emitting diode (LED) with an ESP32 S3 is one surprisingly simple endeavor, especially when using the 1k load. The load limits one current flowing through the LED, preventing it from melting out http://theengineerstore.in/products/waveshare-esp32-s3-microcontroller-2-4-ghz-wi-fi-development-board-dual-core-processor-with-frequency-up-to-240-mhz