The user interface is intentionally basic in appearance using large buttons. This is so that it is suitable for use in a disco environment using a touchscreen (eg. using VNC from a touchscreen laptop) ...
The RMT peripheral of the ESP32 is used for controlling up to 8 LED "strands" (in whatever form factor the serially-chained LEDs are placed). These strands are independently controlled and buffered.
Events are in chronological order. ALA's offices and divisions sponsor a variety of library promotions throughout the year that libraries of all types all across the country can get involved with to ...