This was a bit of a punt. I had all the parts in my spares box and the PCB/panel were dirt cheap as the panel was printed upside down and the guy threw in the noise chip for free.
It turned out the pots I had were the wrong ones, this PCB is using some I’ve not seen before, but I had the right values, so I drilled out the panel and squeezed them in. It’s a bit of a tight fit!
I’m not massively impressed with either the clap or the snare, the latter being particularly bogus, but I make quite noisy music and this is at least a noisy module, so I will still find a use for it.