>From another thread: *can you make a clock out of a Williams DMD display?*
The answer is yes, you can, but it will be considerably more complex than a nixie-tube clock. Refer to a typical datasheet ( http://www.vishay.com/docs/37006/apd128g.pdf ) to get an idea how the display operates. This particular display is multiplexed as 32 rows x 128 columns. In other words, each row of 128 pixels is displayed momentarily, then the next row, etc. The typical refresh rate is 70Hz, though the datasheet says you can run it up to 200Hz. The timing is pretty simple, and you will want a CPU to control it. Even at 200Hz refresh, the maximum pixel-rate is below 1Mhz. I have one of these in my junkbox waiting to be built into something, though I dont know when I'll get around to it. Most likely it would be a clock that has digits that "roll" like an odometer or slot-machine when they change. Since I'm addicted to FPGA's, I'll probably use an FPGA to process bitmaps from an attached raspberry-pi. I dont know the operating-life of the display, and I have some concerns about how much power they consume. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/ab818ae6-bf17-4c3c-b099-83275de8208b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
