UP-FM Transmitter

DESCRIPTION

A Raspberry Pi-based program FM transmitter that plays online UP-FM music radio. Radio receivers can tune in to 87.5MHz if the transmitter is in range.

Individuals from the different UP campuses, UP alumni and friends in different locations, lovers of Filipino indie music are encouraged to build and use this device to broadcast UP-FM in their areas.

COMPONENTS

A. For PIFM:

• Raspberry PI (model B).

• SD Card with Raspbian "Wheezy" OS installed.

• USB Micro Cable

• Ethernet Cable

• Power Brick (5 volts, 2 amperes)

• Solid wire,no.22 and GPIO Cable (for the antenna)

• Soldering iron,Soldering lead,Electrical tape

B. For Programming:

• PC Monitor

• USB Mouse

• USB Keyboard

• VGA to HDMI Cable

PROCEDURES

A. Making a Simple Antenna:

• Since you may not have an ideal antenna, you will use a solid wire (no.22) as substitute. Cut a solid wire about 32 centimeters and stripe one end at least 1 cm. Also cut the GPIO cable wire near the socket and leave at least 1 cm wire on it. Stripe the wire near the GPIO socket. Combine both ends of the solid wire and GPIO socket using lead and soldering iron. Wrap the soldered wire and GPIO with the tape (see picture below).

B. Installing and Running the Raspbian "wheezy:

• You will now program the PIfm in Raspberry PI. First you must have an SD card with Raspbian "wheezy" OS (I prefer to use the windows in installing the Raspbian). First you must download and install the Win 32 disk imager to your windows PC(you can download it here).Next is you download the zip file of Raspbian "wheezy" and extract the file (click here to download the file).Once you extract the file you will see the disk image file. Plug in your SD card. Write the disk image file on the SD card.Then you have now the installed Raspbian "wheezy" OS in your SD card.

Development Team

• Jhon Mark Sorio
• Nestor Tiglao (consultant)
• Peter Sy (consultant)

UP-FM transmitter in action

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Local File

Local File might collect personal data.

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see sample clip

Cost Estimate

• Raspberry Pi Type B 512MB: Php 1,500
• SD Card
• wire antenna

See Also

• UP-FM