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How to make an Intercom using telephone cables
Make Your Own Low-Power AM Radio Transmitter
Most crystal oscillators hav 2 pins r8?So how can we make this using 2 pinned crystal oscillators?cause i got a lot of them lying around.Hope u reply soon.
How does the external power supply power both the phone circuits through the series connection? I strongly doubt this, and moreover the internal circuitry of the telephones have polarity which needs to first determined and then connected with the supply correctly. The following circuit looks much simpler and effective than the above:http://www.homemade-circuits.com/2012/08/how-to-make-simplest-intercom-system.html
How to make plastic?
yeah i do
I made it and i can help you
Yeah I can help
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We are doing this experiment for the school Science fair.We used IPad as the sound source and headphone as the phone jack.We did not get any output on the radio.Please help us.
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