How to build a FM radio transmitter

Circuit & Component layout: 0:33 in the video

Feel free to leave a comment if you have any questions or concerns.

Music by: e-soundtrax

Parts list:

-Transistor
2N3904

-Trimmer capacitor
2-22pF

-Electrolytic capacitors
2X 47uF

-Ceramic capacitors
3X 1nF
10pF
33pF

-Resistors
22k
39k
47k
100R

-Wires

-Copper wire (~0.5mm diameter)

-Prototype board

-Antenna (anything you like)

-Audio plug

-9V Battery clip

-9V Battery


Tools:

-Soldering iron

-Solder

-Pocket knife

-Cutting pliers

-Mini pliers

-Bolt (~5mm diameter)

-Ruler

-Lighter

-Candle wax

-Electrical tape


The best and most productive way to gather the parts for this project is to take apart and salvage old and or broken electronics appliances. This may take some technical skill.

The safest bet is to purchase a fresh set of parts and tools (if you don't have them) Here are a couple online web-stores which sell the parts and tools needed for this project:

amazon.com/ - amazon has all the parts and tools needed for this project. However, amazon tends to sell electronics parts in large bulks which means you are likely to pay for parts needed to build around 100 of these transmitters.

conrad.com/ce/ - One of the greatest electronics web- stores in western Europe. You can cheaply buy individual parts needed for this project.

lemona.lv/index.php?lan=en&toc= - One of the best electronics web-stores in eastern Europe. You can buy the parts needed for this project at very low prices.

radioshack.com/ - One of the most popular electronics web stores which ship worldwide and sell all of the components at low prices.