Which part of that system is connected to wifi? I guess kinetic energy from the bell can be enough to send a zibee message

Wow. We are living in the future

Let's rewrite all software to use Andon instead if exception

Start with writing software that has https://en.wikipedia.org/wiki/Poka-yoke in mind

That's actually the wikipedia article that inspired me to name a repo-convention checker I made called Pokayoke[0]. Do find it fascinating (as with Andon) how many cool Japanese loan-words there are for process refinement.

[0] - https://pokayoke.codes