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. Read more »

This USB FM transmitter can be used to listen to your own music throughout your home. The transmitter circuit use no coils that have to be wound. When this FM transmitter used in the car, there is no need for a separate input to the car stereo to play back the music files from your MP3 player. Read more »

Here’s a simple stereo FM transmitter for sending the music around the house, or creating a wireless link between your iPod and a receiver in your car, this transmitter will let you do these things easily. With BA1404 Stereo transmitter you will be able to transmit MP3 music from your iPod, computer, discman, walkman, TV / SAT receiver, and many other audio sources. Read more »

The FM transmitter circuit includes RDS/SCA input and Audio/MPX input with optional preemphasis. This PLL transmitter can be used with or without stereo encoder. Tuning range over the FM band is provided by two buttons that control dual-speed PLL. The transmitter can work also without the LCD display. Read more »

This FM transmitter circuit is PLL controlled and still very easy to build. Frequency is set with 4 buttons and a LCD display show you the frequency. Print your own display text on first line. The smallest step size is 50kHz and the transmitter will work from 88 to 108 MHz. Read more »

This is a simple FM transmitter that when connected to a phone line, will transmit anything on that line (execpt the dial tone) to any FM radio. The frequency can be tuned from 88 to about 94Mhz and the range is about 200 feet. It is extremely easy to build and is therefore a good, useful beginner project. Read more »

This transmitter project will show you how to build a mini broadcasting device that can transmit an audio signal up to a quarter mile to any FM receiver. It’s easy to build and a good learning experience and best of all – it’s free! Read more »