| Electronics > Repair |
| HP 34401a DMM with leaking segments |
| << < (11/45) > >> |
| HighVoltage:
Really nice job! Looking forward to your final design. |
| bitseeker:
I second what HV said. Somewhere, I have some Noritake dot matrix VFDs. I think they're 40x2 or maybe 40x4; don't quite remember. If I find them, I'll have to see if they might fit on some of the HP devices I have (DMMs and power supplies). Although replacement isn't necessary now, eventually they might need them. |
| qu1ck:
All right, here it is. Behold: the secret feature unveiled :D https://youtu.be/LWxOfaXVN3I That's right. It's a 240 positions resolution, 20fps bar graph. Supports signed and unsigned measurements. For high fps you have to switch to 4 digit mode. In 5 and 6 digit modes you get 2-3 fps. You can see fps counter in top right on the display. Pic of an unsigned measurement: |
| wictor:
Nice work! |
| bitseeker:
I love it! :clap: Makes me want to buy another 34401A, but with a bad display, to upgrade it. Next secret features: graph and histogram? ;D |
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