Shelly Wave i4 Brand_Phyx that includes a bunch of

that includes a bunch of examples to demonstrate Explorer pHAT's functions

You'll need a soldering iron to attach the header if you'd like to use it on a breadboard

and the ferrous back-plate of the coil may be round or square

txt configuration: dtoverlay=hifiberry-amp4pro

It powers the Raspberry Pi

Shelly Wave i4 Brand_Phyx that includes a bunch ofThe Shelly Wave i4 is a Z Wave input reader device (no relays!) which allows you to manually activate or deactivate any created scene, run synchronised actions, or execute complex trigger scenarios. You can use it to control other Z Wave devices within your network with one push of a button. Due to its retrofit design, it is small enough to fit behind some wall switches, or Shelly wall switches. The Wave i4 can show the status and control the action