Want to make a Knocker Kit…
Want to source the pieces yourself?
Well now you can.
I have added the circuit diagram to the Knocker Kit Resources page. Plus a link to OSH Park so you can order your own PCB’s. This is done under a Creative Commons Attribution-NonCommercial 4.0 Which means that they are free to use for non Commercial uses.
Of course, if you want the full kit (or kits) without the hassle, then you can still order it from us.