An ESP32-WROOM-32 in a CYD format (Cheap Yellow Display), is used as a Bluetooth Touch LCD Macropad with direct access to 513 single and 96 link-list macros - namely 3 independent sets (note 1), of 72 ...
This will not work with Arduino IDE 1.6.5 (or below) or with non ESP32-S2/S3 devices (e.g. Arduino UNO, Arduino MEGA, etc.). To use this library you need to have Arduino core for the ESP32 installed.