Chipstomp PCBs have arrived from

My PCBs arrived from today and they look pretty good! I’m hoping to find a bit of time this weekend to assemble one. Lets hope that I got my footprints right…

Here they are fresh out of the bag.

ChipStomp version 1 PCBs fresh out of the bag from China.

A higher resolution photo (3069×2456px 1.4Mb)

Drum machine progress : From prototype to version 2

I’ve not posted in a long time so here’s a quick update on the progress of my drum machine. It’s come a fair way from the initial prototype documented in this post back in July 2012.


A sneak look at version 2 with a new 32bit PIC and a new larger LCD

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Breakout board for Nokia 1202 LCD

I’ve been using Nokia 5110 LCD screens for a while now they’re 84x48px have a built-in back-light and are really easy to use and quite cheap.  Recently though whilst working on my drum machine I found myself wishing for a few more pixels.  I want to show a “pattern view” of 16 tracks with 16 steps plus some additional information and 84×48 was getting too tight.


This isn’t a Nokia1202, this is a Sparkfun Nokia 5110 breakout

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How to make printed circuit boards at home.

pcbicon2.jpgI’ve added a guide on how I make printed circuit boards at home without any special tools using the toner transfer technique and pages cut from magazines.

This is based on experience and information gleaned from reading just about every other guide I could find. I’ve included loads of photos as in this case I think they’re definitely worth a 1000 words.

My guide on making PCBs