![](project_images/HID_overview01.gif)
are to control comply modules. powered cables. The modules with their displays, key and the like can be mounted behind front panels, provided that appropriate connectors are inserted.
![](project_images/LCD_Overview_02.gif)
The LCD module 10. The PC board can accommodate three types of industry-standard LCD displays: a) dot matrix, 2 rows; b) dot matrix, 4 rows; c) graphical, 64 • 128 pixels. Up to three modules can be connected to two microntroller I/O ports in a daisy-chain fashion.
![](project_images/bedien_02x.gif)
The keypad/input module 10b can accommodate keypads with 12 or 16 keys. Additionally, eight inputs from outside can be attached.
![](project_images/ebt_02x.gif)
The general-purpose human interface module 02/10. It features a dot matrix display with four rows of 20 characters, 6 keys and an incremental encoder. It requires only one 8-bit-port.
to have elementary debugging console.
![](project_images/univ_05.gif)
Here four human interface modules are attached to one microcontroller module. Each of the human interface modules is controlled by one of the application programs running in a time-sliced fashion (preemptive multitasking).
![](project_images/kdo01_03.gif)
Bring-up of a digital analog computer. Each of the 6 microcontrollers on the master controller board is connected to a human interface module, serving as debugging console.
![](project_images/passi_08.gif)
Testing and debugging of an experimental multiprocessor system. Each of the microcontrollers has its own console. The seven-segment displays (rigtht) show, whether the corresponding microcontroller ist still running or has itself hung up.
Additional pictures:
![](project_images/bedien_01x.gif)
![](project_images/ebt_01x.gif)
![](project_images/lcd_03.gif)
![](project_images/lcd_05x.gif)
![](project_images/lcd_03x.gif)
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