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Calculator Types Calculator blog Posts on topic: HP41c card reader
Calculator blog
Musings and comments about our common interest
Published on by JGD
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Card reader available!
We have received a working card reader - ready to be shipped after our tests!
Price is 130€ plus shipping, including English manual.
(comes without calculator)
More about:
HP41c card reader
Published on by JGD
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Testing card reader side locks
We have received the card reader side locks samples and we will try to test them during this weekend.
It is likely that we have to reduce the "spring" made in nylon - it looks too rigid for the purpose:
More about:
HP41c card reader