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does anybody know how to make an IR frequency reader? Answered

does anybody know how to make an IR frequency reader by com port?
or a 7-segment?
or with a digital multimeter?

P.S:
Most likely to me with a digital multimeter.

Tags:IR

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verence

8 years ago

What exactly do you want to measure?

- the frequency of the Infra Red light beam?
- the frequency of the signal's symbols (Baud)?
- the frequency of the carrier wave (in case it is not baseband transmission)?