After several bug checking we finished a simple Arduino 16Step Sequencer found and documented on the nerd. Thanks to the persistence of a Pechblenda tentacle, the sequencer sounds as it should sound and pots and pushbuttons are working great.
From now on, we will implement the project with some changes to the code using arduino IDE platform, and we also want to add some more pots and to replace some pots with LDR so the synth becomes more playable between/for beings interaction.
By now the synth sequencer is solid, kind of strong and kind of looks like a box. But we want that next project gets more modular and flexible, so it can be used in any part of someones body or curved structure. As well as constructing it with the arduino pro mini instead of ardunio mega (in this case is done with mega), with the pro mini its dimensions will be considerably reduced.
So, we extract this circuit from 2 projects: from instructables , who extract it from this nice website beavisaudio.
In those two projects you can find the schematics and the code we used. However, here come 2 issues that need to be clarified so beginners don’t become crazy when assemblying and codifying it.
First of all, the main project 
(beavis) comes with a LCD (to visualize the variables of pots). 
However, instructables and us did not use the LCD and, for instance, we erased the LCD code part. Just cause it is a very simple sequencer, and LCD (and their dimensions) require a bigger usage and effectiveness.
Second one. we also got some problems when verifying the code, but finally we got it and the code is the next: (also copied from beavis)
You can hear how it sounds here; a small demo: https://soundcloud.com/pech_synth/sets/arduino-16step-sequencer
Continue reading Arduino Step Sequencerrrrrrrrrrrrr (ASSrrrrrrgh!)
