HP-25C Eumulator
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03-23-2015, 01:20 PM
(This post was last modified: 03-23-2015 01:21 PM by Chris Chung.)
Post: #217
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RE: HP-25C Eumulator
(03-17-2015 12:59 PM)jjohnson873 Wrote: Clarifying my last message. The NP-25 project is all Chris Chung's project. I'm stepping in to help out Chris to continue to ship kits and assembled units. If, and when he would like to resume making/shipping kits or assembled units, I will turn this endeavor back over to him. I have no original work in the NP-25 and would like to acknowledge all of the people that made this very cool electronic calculator project possible, including, but not limited to, Eric Smith and Chris Chung. I take no credit whatsoever in the creation of, or any of the original work for this project. I'm just a "caretaker" of the NP-25 project with an interest in seeing software defined calculators have a future and seeing a rebirth of RPN (if at all possible). Jim, this is an open source project and the batches are just a group organized builds. There can be many batch offers from different members / builders. One could alter the h/w design to add characters on different batches. Different color / shaped PCBs, alternate keyboard keyboard, different components etc. I have probably done enough units on this design and when I come back, I would do a different one (if I do). One thing I would like all to observe is that the software originally provided from Eric is open sourced, so when we change / adopt it we should release full source code for all to enjoy. Bernd Grubert Wrote:Yesterday I received my Emulator. Very well made, works prefectly.Thanks. My builds are not professional. I had a kit builder use oven to get very good solder flow and the result was spectacular. There is one gentleman received an "assembled" unit when he had ordered a kit. I was kind of absent minded when doing this batch and there may have been a mixed up w/ another order. Or I just build the kit accidentally. If you had ordered an "assembled" unit but received a "kit". Please let me know, I will replace the unit for you. |
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