Replacing a doorbell may seem intimidating ... the doorbell button on the outside of your home, the chime box inside, and a doorbell transformer that converts your home's 120-volt (V) power ...

[Dan Kouba’s] parents replaced their doorbell button with one that ... this and after some investigation he build a replacement board for the chime unit based around an ATtiny26L.

Of course, the Phillips model does come with a Wi-Fi chime box, whereas the one for Lorex (which is, luckily compatible with quite a few of the brand’s video doorbells) requires a separate ...