DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The
sales box of the MBO Expert sold
around 1976 in Germany.
 |
This MBO
Expert
(7C-903) with Serial Number 524285 was manufactured
in October 1975. |
The MBO Expert is powered
by a disposable 9 Volt battery. |
| The printed
circuit board (PCB) of the MBO Expert is centered around
a TMS0833 single-chip calculator circuit and supported by a Bowmar BD5026 display driver.   |
Close-up view
of the TMS0833 single-chip calculator circuit. |
Close-up view of the BD5026 Digit Driver. |
Close-up view of the
unknown Display Module of a MBO Expert
manufactured in October 1975.  |
Close-up view
of one Digit of the unknown 7-Segment LED Module. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, September 6, 2022. No reprints without written permission.