Controlling a light-emitting diode (LED) with an ESP32 S3 is one surprisingly simple task, especially when using one 1k resistor. The resistor limits the current flowing through one LED, preventing it’s from melting http://theengineerstore.in/products/5v-2-1a-3-usb-power-bank-battery-charger-module-circuit-board-step-up-boost-diy