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OhmDuino

Live the Ohm.

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What is the OhmDuino? It´s basicly a small keychain, that not only has a unique formfactor but is also perfect for the first steps in programming a µC.

What is the OhmDuino? That´s a very good question!! 

It´s basicly a keychain with some fancy LEDs, a capacitive touchsensor and a unique shape, that honors the great achievements of Georg Simon Ohm and is actually the logo of our university, the TH Nürnberg.

It discribes our lifestyle full of making, building and DIY.

It´s the perfect starting point to get into electronics and programming.

It´s opensource.

Where can you get one ? There is an eBay-Store and  a Tindie-Store to get one, but you can also make one yourself!! The Eagle-Files are free for everyone!!

How can you program it? Plug it into your USB-Port, load a sketch in the Arduino-Ide and let the the fun begin!!

Are there examples on how to get started? We wrote several sketches to show the basic functions of the OhmDuino. For easy access, they are all available in the download section of our Hackaday-Page.

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More information:

-> The OhmDuino features:

  • 25 blue LEDs, which can be controlled individually via multplexing.
  • two capacitive touch sensors, which can recognize fingers touching the PCB or the touchpads.
  • an Atmega32U4 with it´s built in USB-connection.
  • an ISP-/SPI-port for burning bootloaders or programms on the µC.
  • an I2C-port and additional connection points for VCC and GND, to enable modifications and connectivity.
  • a PPTC-fuse to protect your OhmDuino and your PC from damage,


-> The Hackaday-Page of OhmDuino contains:

  • programming examples with explanations in the commentline.
  • a manual (for now only in English) on how to set up the OhmDuino and how to do the first steps.
  • all needed files, like the schematics or the board-files, to understand how the OhmDuino works.


-> Opensource in relation to the OhmDuino means that:

  •  you can download the eagle-files for free.
  • reproduction and modification of the board is not limited in any way.






Fehldende Bibliothek - Touch_Bitmap_Changer.pdf

Anleitung zum Einbinden einer Bibliothek in die Arduino IDE

Adobe Portable Document Format - 297.34 kB - 12/28/2018 at 16:40

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OhmDuino_Anleitung_(German)_Vers.2_17.12.18.pdf

manual for the OhmDuino (german language)/ Anleitung für den OhmDuino (in deutscher Sprache)

Adobe Portable Document Format - 1.20 MB - 12/17/2018 at 19:27

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OhmDuino_Touch_Bitmap_Changer.ino

change your bitmaps through a press on the touch-buttons

ino - 3.00 kB - 12/10/2018 at 20:42

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Adobe Portable Document Format - 75.98 kB - 12/10/2018 at 20:42

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OhmDuino_BitMaps.ino

BitMaps can be displayed

ino - 2.33 kB - 11/26/2018 at 19:53

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Discussions

Jan wrote 11/21/2018 at 18:23 point

Sweet! Though that small keychain-PCB-hole would break off easily after two days carrying around with my keys :)

  Are you sure? yes | no

Kirschner Christoph wrote 11/22/2018 at 08:09 point

Should be pretty stable :) it´s also 2mm PCB :)

  Are you sure? yes | no

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