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The SEEDS is a complex powerful 8 bit oscillator and can be used as a complete synthvoice.

On the sound-design side you might notice some 90's popular music influences.
There are two reasons for that. First of all; those sounds are a natural match for the rather modest (8 bit, 16MHz) Atmel chip on the Arduino Nano we're using. That music was made using digital synthesizers using the processors available at the time, and those had to make the most of the chips available at the time, which were quite comparable to the Nano. The second reason is that those sounds are a lot of fun. Once that link became clear it became more a of a guiding principle than a potential problem; it seems more sensible to lean into such links than it is to resist them.

SEEDS Building Manual V 1 2
PDF – 499,3 KB 2921 downloads

The Arduino in the SEEDS kit is already programmed, but in case you need to re-install the firmware you need the Arduino IDE installed on your computer and install the CH340 driver to communicate with the Adruino Nano.
The latest Adruino IDE can be downloaded from the Arduino websit
The CH340 driver can be found here:

The firmware will be updated regularly so you might want to keep an eye on it to get fresh sounds in your SEEDS every now and than.

Last firmware update on 12-02-2020

Seeds V 01 01
Archive – 23,4 KB 947 downloads

If you come across any issue during the building process uploading a code, please sent me an email at I am happy to help you.