USB Mono FM Transmitter


Posted on Feb 6, 2014

This small FM transmitter with a range of about 50 meters designed for connection to the USB port. With lots of mini-transmitters then you have a comprehensive, action-packed radio program. Due to the power supply via the USB port of a high frequency stability is achieved. Alternatively, the receiver, a battery 5 to 12 volts to operate. USB FM Transmitt


USB Mono FM Transmitter
Click here to download the full size of the above Circuit.

er Prototype It is not necessary to drill the transmitter PCB. All components will be soldered to the plate with their legs folded, like this: The transistor has a flat side, the LED a foot longer than the other is the anode (A), the other is the cathode (K). The audio cable (minijack) must be transformed from a stereo cable into a cable. Soldering together the white and red cables, leaving aside the yellow cable (mass). The frequency setting will be turning the variable capacitor gently with a screwdriver or thin cardboard but rigid.




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