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I want to use ultrasonic sensor for distance measurement but I don't know how it actually works.
can we connect US sensor directly to 8051 or we have to build some oscillator circuitry.
I want that the transmitter goes ON as soon as one of the pin of 8051 is made high.
Is it possible?
I am planning sdr as my final year project. I want to receive signals upto 108MHz. I have few doubts
1. Can I use gilbert cell mixer for this application and what would be the max rf frequency that could be downconverted with it
2. What should be the sampling rate of the adc
3. How do I...
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