How about a Turing-complete clap processing unit? Effectively, a language for specifying, identifying, connecting, activating, and signaling various logic gates with hand claps alone.
Also, come on. Is it really too much to ask for a person to know how to open a Sonoff switch, connect gator clips to its programming ports, flash it with Tasmota, and connect it to Home Assistant via MQTT? This is basic stuff..