Automatic soap dispensers ... including the Yamazaki Home Tower Foam Soap Dispenser. In addition to choosing a soap dispenser with a durable pump, you’ll also want one that’s easy to use.

So how does one upload a new Arduino sketch to their GOJO soap dispenser? It’s not like the thing has a USB port on the side for convenient hacking. As explained by [zapta], it involves ...

"Frequent hand-washing is one ... dispenses soap automatically so that you "never have to touch a germy soap pump again," as Lysol says of its Healthy Touch system. We tested that dispenser ...