


There’s a pretty good build guide for the PCB that Circuit Benders made so that makes it very simple to build – the only problem is that you’ll need to source the components yourself as it doesn’t come in kit form.
#Drum step sequencer mods#
There are a couple of mods you can do to play with decay/tuning, which I haven’t got round to doing yet… One day! This is the one I got! And I have to say, I love the sound it makes. A few days of research later & it turns out a company called .uk make a replica PCB for the synthesizer part of this drum machine, they call it the CB-55 – you can get it here on eBay. But that wasn’t an issue for me, seeing as I was planning to build an arduino powered sequencer (more on that in a bit). I wanted something a bit more interesting than the (in my probably controversial opinion) overused and quite bland 808 sound.Īfter going through eBay looking at vintage drum machines for inspiration, I found the Boss DR-55… Apparently reknowned for it’s hard-to-use built in sequencer. Trawling through hours and hours of YouTube videos and websites with incomplete schematics, I found it hard to find one that fitted my needs. I’d been looking for a good sounding drum synthesizer schematic for a while with not much luck.
