You should make a home appliance.
Try it on yourself.
If it works, make:

1. Another post about this experiment,
   2, a special post - tutorial on device development (step - by - step) with precisely defined material prices (calculations).
   And then it is done well - a human work (who likes to do it).
   By the way, the post is as always lucid, fun and instructive.
   Up to reading!