car tracking device circuit diagram

Posted on Feb 6, 2014

Tank circuit C2 and L1 is used to tune the transmitter. The antenna is coupled to the transmitter through C3 and must be a telescopic antenna or a length of hookup wire. At the receiver, the incoming signal is tuned by C4 and L2 before being passed on to the 741 IC. To find the object using this car tracking device is use a visual indications wit

car tracking device circuit diagram
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h 5 LEDs which indicate the signal strength. After build, the car tracking device ( receiver and transmitter ) will need to be tuned. We need to tune the transmitter until all of the receiver`s LEDs light and adjust Rv2 until you get a maximum strength reading only when the receiver`s antenna is pointed directly at the transmitter.

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