2 open source boards using the OTTO-dac
Real designs built with the OTTO-dac, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
AVR/ArduinoOTTOtact
cester-ino
307 × 131.2 mm224 parts2LGPL-3.049
AVR/ArduinoOTTOtact
307 × 131.2 mm224 parts2LGPL-3.02
The OTTO-dac in open source designs
The gallery holds 2 open source boards using the OTTO-dac from 2 GitHub repositories; a typical one measures about 307 × 131.2 mm and carries around 224 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is OTTOtact by cester-ino.
Parts used alongside the OTTO-dac
Microcontrollers on boards using the OTTO-dac
What boards using the OTTO-dac are built for
OTTO-dac: common questions
Where can I find a OTTO-dac reference design?
Each of the 2 boards on this page is a real design using the OTTO-dac. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the OTTO-dac?
The 74HC125, ATMEGA32U4-AU, FS312F-G, LM3914 and MCP602 appear in the most repositories here.
Which microcontrollers do boards using the OTTO-dac use?
Most are built on AVR/Arduino (2).
How big is a typical board using the OTTO-dac?
The median is 307 × 131.2 mm, and 100% are two-layer designs.
What is the most popular open source board using the OTTO-dac?
By GitHub stars, OTTOtact by cester-ino, with 49 stars.
Can I simulate one of these boards using the OTTO-dac before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.