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Question on a part I need

Former Member over 14 years ago

I need a rotating control to adjust some LEDs.

However I would like it to infinitely turn (unlike a potentiometer).

This is the sort of thing you would get as a volume control on an AV amplifier.

Any help on what they are called and links would be great.

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Former Member over 14 years ago

Well I ordered this one here...

http://uk.farnell.com/bourns/pec11-4230f-s0024/incremental-encoder/dp/1703830?whydiditmatch=rel_3&matchedProduct=PEC11-4230F-S0024&Ntt=PEC11-4230F-S0024

Now programming I can do (to a point) but I am new to electronics.

I was expecting it to come with 3 connectors but in fact it has 5 and there seems to be no info on the data sheet on the back 2 so I am not sure how to wire it up.

Any ideas?
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tronixstuff over 14 years ago in reply to Former Member

Looking at page two of the data sheet, the diagrams for PEC11-4xxxF-Sxxxx (i.e. your encoder) do show five pins, the three pins A, B and C are for the encoder data and common. Your encoder also functions a as a normally-open momentary button (i.e. push the shaft in... it can be used as an 'enter' button for example). The other two pins are the contacts for the button. (See the "how to order" diagram on page one).
Cheers,
John
PEC11-4xxxF-Sxxxx
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Former Member over 14 years ago in reply to tronixstuff

I just realised that the diagram on page 2 refers to the part number which now makes a lot more sense.

I just checked the encoder and it does indeed have a push button type operation.

I will have a play tomorrow.

Thanks for your help everyone.
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Former Member over 14 years ago in reply to tronixstuff

I just realised that the diagram on page 2 refers to the part number which now makes a lot more sense.

I just checked the encoder and it does indeed have a push button type operation.

I will have a play tomorrow.

Thanks for your help everyone.
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