HP-25C Eumulator
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11-20-2014, 03:03 PM
Post: #91
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RE: HP-25C Eumulator
Progress and group-buy update.
V3 pcb list Mr. H, Guenter, BobVA X2, EdS2, Nigel, Namir X2, Didier, Mr. J, Mark (11) Extra board wait list John, Brouhaha X2, PANAMATIK (4) I had submitted the design to my fab house and they had checked it (very quick) and it's in production. Usually it will take another 20 days before it reaches me. Again this batch is 10 boards only. When I received them, I will build immediately and if there are no major issues, I will ask for another 10 boards. I toyed w/ a V0 pcb yesterday and produced a kit-test unit. It will be helping me to test led modules, 74HC164s and the MSP430G2533 MCUs. For kit orders, I will test all these major components before shipping them out. The V0 boards have some wrong traces and I have to run a couple of wires over them. It has the low-profile keys that we will be getting on the V3 board, the benefit being that the key legends will be more visible from different angles. The keys will be however lighter to the click, but still a firm click. This is the back-side, I had IC sockets for component testing, the led modules can be friction fitted (they have thicker pins) for testing. If you plan to use IC sockets, you should get the "machined pin" ones (round) instead of these cheap ones. I only have these on-hand. |
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