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Dear Rocket Scientist
Thanks for your reply. I read thru a web link which mentioned that we can interpret the external circuit by detecting the CTS signal going hi and low. We can create a switch which will turn on once the LED or Relay turned on. Once the circuit turn on, there will be...
Dear Alexxx / Rocket Scientist
Thanks for pointing out that my posting is not clear. OK Let me try to explain it in the manner that is easy to comprehend. My problem is I have a external circuit which contains a relay and a LED. Once the external circuit is activated, it will...
Dear Friends
I hope someone can provide some help over here. I am thinking off to connect a AND gate. Since AND gate has 2 end. 1 end connects to relay and another end connects to LED. Can this works? If both LED and relay turn on, the AND gate turned on and the output will be logic...
Dear Friends
I hope someone can help me on this problem. I am working on a project in my workplace to create a interface circuit for RS232. My problem is, I need to detect a LED and a relay turned on. Once these 2 device has been turned on, I need to detect the signals from both and send...
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