# Korg Mini Pops DIY DRUM MACHINE (& DSP-D8) **URL:** \ **Category:** DIY STUFF\ **Created:** [November 18, 2020, 9:06am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316 "2020-11-18T09:06:06Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\ **Post date:** [November 18, 2020, 9:06am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/1 "2020-11-18T09:06:06Z")
I find this page recentely, and it’s seems very easy and interesting ! A clone of the famous Drum machine with only an ARDUINO 🙃 Schematic and code by Jan Ostman . ![IMG_20161222_094805](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/4/4111eb32e92fab1b07801eee836d662ecf109fc5.jpeg) the page with info and schematic : > **[Korg Mini-Pops DIY Drum Machine](https://web.archive.org/web/20170912113707/http://bloghoskins.blogspot.com/2016/11/korg-mini-pops-diy-drum-machine.html)** > > Korg Mini-Pops DIY Drum Machine   This is a really cool build;  It a recreation of the Korg Mini-Pops drum machine, an instrum... and the code : > **[The O2 source code](https://web.archive.org/web/20170918060106/https://janostman.wordpress.com/the-o2-source-code/)** > > Like the Minipops 7 rhythm box? Yes, the one that Jean Michel Jarre used on the Oxygen album. Here is the source code to build one yourself. It runs unmodified on any Arduino. Tempo and  16 pattern… Do you know this project ? what do you think about it Can we make a module with trigger input for each sound with some little modifications ? another schem with clock and reset out (that is in the code) ![19554_o2_minipops_1](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/6/6ee85f09cd59626792719353b6dfdd08dc6d473b.jpeg) His GitHub with others projects (2 others drums and string) > **[hexagon5un/jan\_ostmans\_synths](https://github.com/hexagon5un/jan_ostmans_synths)** > > Synthesizers for Arduino / AVR ATMega32 from https://janostman.wordpress.com/ ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 9:34am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/2 "2020-11-18T09:34:57Z")
I’ve build it on stripboard several years ago. Really fun. Should be easy to convert the mutes input to triggers and get rid of all the rythm stuff. I’ll have to dig a bit to find my cleaned up version of the code… give me a day or two 🙂 ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 9:53am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/3 "2020-11-18T09:53:25Z")
Or do the opposite. Keep the rythm part and output triggers… ---
**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\ **Post date:** [November 18, 2020, 10:21am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/4 "2020-11-18T10:21:51Z")
i imagine most in my head trigger it with my modular (if i buid it 🙂 ) because i control allready the modular with a beatstep, and maybe have new sound to trigg will be cool btw the DSP-D8 version will be more that i research …(snare, clap …) ---
**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\ **Post date:** [November 18, 2020, 10:39am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/5 "2020-11-18T10:39:41Z")
DSP-D8 with pitch pot add and trigger in [![](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/7/748677f712a957375b108a2c05dba992537a6dda.jpeg "The dsp-D8 drum synthesizer chip") ](https://www.youtube.com/watch?v=rRwwSJVY8IQ) ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 11:20am UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/6 "2020-11-18T11:20:24Z")
Here is my take on the O2 code : > **[Eric Matecki / O2\_MiniPop](https://gitlab.com/eric-matecki/o2_minipop)** > > Cleanup of Jan Ostman's O2 minipop code. All credits to Jan Ostman. (Ignore the ifdefs **MACOSX** , that’s just to be able to use XCode and clang for writing big chunks of codes, arduino’s IDE is so prehistoric…) ---
**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\ **Post date:** [November 18, 2020, 12:38pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/7 "2020-11-18T12:38:47Z")
thanks a lot @eric ! ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 1:37pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/8 "2020-11-18T13:37:11Z")
I have built this for my youngest. We embedded it in a cheap guitar amp for busking. My biggest challenge was the disappearance of Jan’s WordPress site. Nice to see it all together. Jan’s projects are a lot of fun. Some tie in neatly with an idea I had to replace the VERY EXPENSIVE wav trigger for the big button. ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 1:41pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/9 "2020-11-18T13:41:12Z")
Jan’s string synth with filters is adorable and should be in any modular. ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 1:55pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/10 "2020-11-18T13:55:12Z")
> [@Farabide](#): > > My biggest challenge was the disappearance of Jan’s WordPress site. Yes, that was some disappointment… Luckily I’d made a mirror of it. I always make mirrors of websites I find useful, so many have vanished… ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 2:12pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/11 "2020-11-18T14:12:32Z")
@eric how do you mirror a site (im not very web smart). I love the idea of having a “local” resource of cool sites I find. Any chance of a new thread here? ---
**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\ **Post date:** [November 18, 2020, 2:13pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/12 "2020-11-18T14:13:59Z")
Looks like the site’s mostly archived here: > **[Blog - DSP Synthesizers](https://web.archive.org/web/20190726181617/http://blog.dspsynth.eu/)** > > Code And Ideas For DIY Synthesizers (Unfortunately for instance the images for the string synth writeup are gone.) ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 2:19pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/13 "2020-11-18T14:19:59Z")
There are plenty of apps for mirroring web sites. Choose the one you prefer : > **[List of Website Mirroring Tools | Pablo Gallardo's Blog](https://diarium.usal.es/pmgallardo/2020/10/31/list-of-website-mirroring-tools/)** ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 2:37pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/14 "2020-11-18T14:37:15Z")
Thanks Rich. I built the string synth as a gift a while ago before my PC died and I switched to using my chromebook and the web ide. (Yes I should have backed it up) Im not able to code much these days so looking for a working source code and schematic to build a simple MIDI module to add to my youngest‘s piano. Most of the schematics, pictures/video and code seem to be missing on this blog… is that my browser/location or just the way it is? ---
**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\ **Post date:** [November 18, 2020, 2:50pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/15 "2020-11-18T14:50:36Z")
That’s the way it is, the Wayback Machine archives what it archives but it fails to archive some stuff including, frequently, images. ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 2:53pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/16 "2020-11-18T14:53:21Z")
Unfortunately my mirror isn’t complete either… But here is what I have : > **[Meet Google Drive – One place for all your files](https://accounts.google.com/ServiceLogin?service=wise&passive=1209600&continue=https:%2F%2Fdrive.google.com%2Ffile%2Fd%2F1SIeMcR2mudPkq3E0aV3uXt0M_zFKXwBb%2Fview?usp%3Dsharing&followup=https:%2F%2Fdrive.google.com%2Ffile%2Fd%2F1SIeMcR2mudPkq3E0aV3uXt0M_zFKXwBb%2Fview?usp%3Dsharing)** ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 3:14pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/17 "2020-11-18T15:14:12Z")
Thanks @eric. Much appreciated. ---
**Author:** ![eric](https://avatars.discourse-cdn.com/v4/letter/e/898d66/32.png) [@eric](https://lookmumnocomputer.discourse.group/u/eric)\ **Post date:** [November 18, 2020, 4:01pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/18 "2020-11-18T16:01:12Z")
OK it should work now… ---
**Author:** ![Farabide](https://avatars.discourse-cdn.com/v4/letter/f/ecc23a/32.png) [@Farabide](https://lookmumnocomputer.discourse.group/u/Farabide)\ **Post date:** [November 18, 2020, 4:11pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/19 "2020-11-18T16:11:38Z")
Above and beyond mate. Many thanks ---
**Author:** ![analogoutput](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/analogoutput/32/29663_2.png) [@analogoutput](https://lookmumnocomputer.discourse.group/u/analogoutput)\ **Post date:** [November 18, 2020, 4:15pm UTC](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316/20 "2020-11-18T16:15:47Z")
Here’s the archive of the earlier site, which does have the string synth images: > **[DIY Synthesizer](https://web.archive.org/web/20180802045940/https://janostman.wordpress.com/)** > > Janost @ DSP Synthesizers [Next page](https://lookmumnocomputer.discourse.group/t/korg-mini-pops-diy-drum-machine-dsp-d8/2316.md?page=2)