Car fm modulator is a decoding device capable of converting and streaming music from a memory card or flash drive. In most cases, fm modulators have a given range of variable frequencies, although there are also models of transmitters with a broadcast bandwidth fixed at a certain frequency.
It is necessary
- - fm modulator;
- - a pair of computer speakers;
- - computer cords;
- - knife;
- - fuse;
- - soldering iron;
- - screwdriver;
- - file;
- - Power Supply;
- - wire;
- - electrical tape.
Instructions
Step 1
Correctly installing the fm modulator is easy: insert the transmitter into the cigarette lighter socket. Then set the frequency on the modulator.
Step 2
Finally, tune the car radio to the frequency set on the modulator and enjoy listening to musical compositions.
Step 3
From the fm modulator you can make an excellent MP3 USB-player: you don't need a radio tape recorder with it. First of all, remove the ashtray from the panel: there will be speakers in this place.
Step 4
Cut the plug from the computer cord and pass the cord through the hole through which the wires coming from the passenger compartment to the hood are pulled.
Step 5
Connect the cord to the battery. As a result, it should look like this: one end of the cord should be connected to the cigarette lighter, and the other to the battery (it is desirable that the connection be made using a fuse).
Step 6
Disassemble the speakers. Install the speakers in the hole from under the ashtrays and solder the wires to them (you can even use the wires that are used to connect the speakers to the computer). As a result, if you did everything correctly, two speakers should be installed, from which one wire hangs down from the jack.
Step 7
Disassemble the cigarette lighter and use a file to make a recess in it for the wire. Then straighten the "mustache" that is at the nest.
Step 8
Solder the wire to the body of the cigarette lighter, then carefully wrap this body with electrical tape.
Step 9
After that, carefully grind off the teeth of the outer cylinder (cigarette lighter housing) and wrap this edge with several layers of electrical tape: there should be no contact with the outer zero at all.
Step 10
Disassemble the old PSU: you will need the inside of it. The "stuffing" removed from the power supply will act as a filter that protects the device from interference that can be caused, for example, by the operation of the generator. The filter will consist of a coil, a capacitor, and a connecting terminal.
Step 11
Solder a wire with a mini jack to the amplifier input: this will make it possible to connect an fm modulator to the amplifier. Then, in the modulator socket, make a jumper using a regular wire: this is necessary so that when the minijack is inserted, the signal is transmitted, and not received.
Step 12
Place an amplifier and a filter under the panel, and then group all the wires (for powering the filter, from the cigarette lighter socket and amplifier) by color, that is, pluses to pluses, and minuses to minuses.
Step 13
Connect the speakers to the amplifier, and connect the last one to the fm modulator (hide all connecting wires under the panel).
Step 14
Then turn on the amplifier, insert a USB flash drive with musical compositions into the fm modulator and press play: excellent musical accompaniment is provided to you.
