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Projects: Microcontroller Modules for the Ambituous








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The general-purpose microcontroller module 12a

The human interface module 02/10

The LCD module 10a

The keypad/input module 10b


State-of-the-art microcontrollers are essentially self-contained. Principally, they could be operated  when held between two fingers or placed on the table while connected to power supply and peripheral devices via hookup wire (provided the wire is thin enough...). Hence it should not be that difficult to develop own microcontroller modules. By the way, the ultimate solution of a corresponding application problem would be the application-specific board with the microcontroller sitting somewhere in a corner. In this respect the module is only an interim solution.

When developing own microcontroller modules, it is a matter of course to seek  for opportunities to make improvements, to create something showing unique features. Our unique selling points  can be summarized as follows:

  • The modules should be well-suited for practice, tinkering, and educational purposes.

  •  They should be reasonably sturdy.  

  • It should be possible to assemble them at the proverbial kitchen table.

  • The modules should be designed from ground up   to build multiprocessor systems and other complex system configurations with.

  • They should be true OEM building blocks, too; it should be possible to use them in measuring and test equipment, industrial control units, and other appliances.


To achieve these goals, we allow for a moderate increase in cost and dimensions -  we build somewhat larger and  use components, which are somewhat more expensive.


An experimental multiprocessor configuration. Five microcontroller modules are connected to a passive hub. One microcontroller is the master. Each of the controllers has its own I/O console, a human interface module 02/10.

Modules mounted on a DIN rail. a) shows the mounting principle. b) is an educational system consisting of a microcontroller module (1), a human interface module (2) stacked above, and an LCD module (3), carrying a graphical LCD display.

An educational model vehicle. a) shows the chassis on a makeshift test bench. b) illustrates, how our modules can be used as OEM building blocks. 1 - general purpose microcontroller module 12a. 2 - human interface module 02/10. 3 - an application-specific board. 4 - power wiring.






June 24, 2016

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