HP-25 Co-luminous segments

[Tom Flatterhand]

(04-08-2022 10:50 PM)teenix Wrote:  Hard to find a fault looking at the waveforms except that the amplitude seems less when the key is pressed. I wouldn't have expected much change in that.

Is it interesting for you if I still show the pictures of all the other pins here? I have a total of 18 images. Pin 1 to 9 with a grid resolution of 1 ms and pin 1 to 9 with a grid resolution of 100 us.

Regards

Thomas