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Thread Subject: how to read a TTL signal?

Subject: how to read a TTL signal?

From: youngkent Tong

Date: 16 Feb, 2009 07:22:03

Message: 1 of 1

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I need to read a TTL signal from the RS-232 port in the computer. Does anyone know how to do this, or could you offer an solution?
Thank you~

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