Granular Oscillator
http://www.ginkosynthese.com/product/grains/
If you had an Unicorn Account you could see a chart with the price development of this module and the average price asked for this module.
Used in excellent condition and fully working. I’m not sure which firmware is installed but it’s fairly straight forward to change if needed. Two triangle-shaped grains form the basis of the sound. The sound is converted to a PWM output and routed via an (optional) low-pass filter and a 100uF capacitor to the output – so no external DAC is required. The low-pass filter on the PCB can be bypassed if you want. Bypassing the filter provides more clarity and a slightly louder output but more artifacts in the sound.You can upload different codes on the GRAINS. They all result in having a complete different module in just a few minutes. To upload a new code you need to install the Arduino ide.

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