Controlling a light-emitting diode (LED) with a ESP32 Third is the surprisingly simple endeavor, especially when using one 1k resistance. The load limits the current flowing through a LED, preventing it’s from http://theengineerstore.in/products/10w-15w-20w-stereo-bluetooth-amplifier-board-12v-24v-digital-power-amplifier-module-xy-p15w