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re-activating old iron 
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Joined: 08 Jan 2019 11:24
Posts: 3
Location: scotland
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A heads up ...

Joerg Hoppe ( has a very useful set of tools for reactivating control panels of old systems.

It consists of
1 a beaglebone black, a "cape" for the beaglebone that provifes RS232.
2 a blinkenboard driver. This allows some 128 lines to be used as inputs and outputs to be driven/sensed under the control of the beaglebone black. They can drive low or high voltages (in groups of 8 for hi volts, or 8 for low volts)
He has good simple software and network APIs to allow the boards to be controller. (as well as the RS232)

I have used this to bring an old PDP 11/70 panel back to life. I am working on a saratov-2 front panel and a PDP-8 front-panel at present.

The beaglebone can run SIMH - and so you have a unix emulator available to drive the panel.

If you have lights and switches to drive/read his toolkit is a quick way to get started.

11/70 - panel
saratov-2 - panel
font-panel.jpg [ 128.12 KiB | Viewed 879 times ]

18 Jan 2019 05:55
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