[GreenKeys] New batch of 60ma loop driver boards (M28 UPDATE)

[Mike Douglas]


Many thanks to “John W9DDD” who let me work with his Model 28 today to test my 60ma interface board with a Model 28 for the first time. It’s good to know the interface board works great with a M28 when directly driving the selector magnet (no line relay), and the keyboard wired as a separate loop from the printer. My next test will be an M28 with a neutral signaling line relay in place. Thanks John!

Mike D

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On Thu, Aug 17, 2023 at 22:40 Mike Douglas via GreenKeys <greenkeys at mailman.qth.net> wrote:
I just received a new batch of PCBs for the 60ma loop driver for the Model 15. If you are one of those who asked for a board - but I was out of them - please reach out to me by email. 

See the following link for more info about the board:
https://deramp.com/model15_interface.html

Mike D
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Mike