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SiriusHardware · 24th Apr 2019, 8:59 pm

Best wishes, obviously, for a good outcome from your eye surgery.

I just had a look through, looking at your diagram and my VDU and the list of connections - I think you've done a nice job with the connections in the right order and running in the right direction. I notice you've included the write signal, which, although not needed by the VDU, would be needed by any external memory or any other useful sort of peripheral IC, such as a UART or ADC or DAC connected this way.

You might conceivably need more than just one 0V and one +5V connection because individual edge contact connections tend not to be very good load bearers - probably why SOC placed the +8V and 0V input connections on groups of several edge connections each on the upper side.

24th Apr 2019, 8:59 pm	#168
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,556	Re: MK14 schematic revisions Best wishes, obviously, for a good outcome from your eye surgery. I just had a look through, looking at your diagram and my VDU and the list of connections - I think you've done a nice job with the connections in the right order and running in the right direction. I notice you've included the write signal, which, although not needed by the VDU, would be needed by any external memory or any other useful sort of peripheral IC, such as a UART or ADC or DAC connected this way. You might conceivably need more than just one 0V and one +5V connection because individual edge contact connections tend not to be very good load bearers - probably why SOC placed the +8V and 0V input connections on groups of several edge connections each on the upper side.