QuinLED-ESP32-AE+ is packed with features to get the most out of your controllers QuinLED-ESP32-AE+ is a special version of the QuinLED-ESP32 module which adds a lot of extra functionality in the form of a “top hat” to the base ESP32 module. Features at a glance: Touch sensor on the top side 38kHZ Infrared receiver Digital Microphone (ICS-43434) MicroSD card slot 3x LED channel incl. external antenna Variants: AE+_SD+3x Touch, the MicroSD card reader and the 3x LED data channel outputs Ideal to use for extra LED channels and with ESPixelstick v4 you can use the MicroSD card reader to store .fseq files AE+_IR+MIC Touch, IR receiver and the Digital Microphone add sound reactive or remote control to a Dig-Uno or Dig-Quad! AE+_Full Touch, IR, Microphone, MicroSD card, 3x LED channel For more details please check out the in depth product description here. Please refer to this pinout guide about the pins used to address the features of the board.