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2 questions
0
votes
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answer
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Why is this resistor important in my AM radio transmitter?
I've been building an AM radio transmitter and had a few questions about my diagram. I built this using components on a breadboard. Having the resistor there is critical otherwise it doesn't work. The ...
- 3
1
vote
2
answers
126
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How to detect if a TRS cable is connected to a MP3 player output?
Imagine I have a MP3 player and one male-to-male TRS cable that could be connected or not to ...
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