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I have a common anode seven segment display, how do I find out it's pin specifications.Nothing is mentioned (product name or number ) on it.

enter image description here

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closed as off-topic by Phil Frost, Leon Heller, Nick Alexeev, Matt Young, m.Alin Jul 5 '13 at 10:46

  • This question does not appear to be about electronics design within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ We have even less to go on, since there's not even a picture in your post. Probably you will just have to guess. \$\endgroup\$ – Phil Frost Jul 4 '13 at 18:17
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    \$\begingroup\$ It won't take too long to set up a suitable power supply and resistor and just try combinations of pins until you find the anode, then map out the segments 1 by 1. \$\endgroup\$ – pjc50 Jul 4 '13 at 18:48
  • \$\begingroup\$ Most of those have pretty standard pinouts - post a link to a picture if you cannot post a picture yourself and someone will add it. Otherwise, just take a 5V supply and a 1k resistor and play around with it. \$\endgroup\$ – Kurt E. Clothier Jul 4 '13 at 19:27
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    \$\begingroup\$ (1) Too localized. Deals with a specific commodity part. (2) Insufficient preliminary research. \$\endgroup\$ – Nick Alexeev Jul 4 '13 at 20:10
  • \$\begingroup\$ If that picture is the component in question it definitely does have a manufacturer (HP) and number (HDSP 5301, if I read it correctly) on it. If it is not, please post a picture of the correct part! \$\endgroup\$ – Wouter van Ooijen Jul 4 '13 at 21:31
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So here's what I've done.

  1. I noticed that your image says www.allspectrum.com on it, so I went to that website.
  2. There, I searched for "display", and I looked in the first 20 results.
  3. Not surprisingly, I found a link to the product.
  4. On that webpage, I found a link to the datasheet, which should have everything you need.
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