Adafruit FM Transmitter
Best DIY solution for hobbyists broadcasting custom audio to FM receivers.
Turn your microcontroller into a personal radio station with this compact, feature-rich transmitter. While the ten-meter range keeps your broadcast strictly local, the integrated RDS support lets you push custom text to car stereos, making it the ultimate tool for quirky, low-power audio projects.
$19.90
Who it's for
- Makers wanting to display song titles on car radios
- Audiophiles seeking clear, low-noise wireless audio transmission
- Developers needing simple integration with Arduino or Raspberry Pi
Who should skip it
- Budget-conscious hobbyists needing basic, low-cost modules
- Users requiring long-range broadcasting capabilities
- Beginners looking for a simple plug-and-play solution
Performance breakdown
Signal Range
Ten-meter reach is perfect for personal broadcasting within a single room.
Integration Ease
Arduino library and example code make setup a seamless, plug-and-play experience.
RDS Functionality
Advanced text and station identification features add a professional, polished touch.
Build Compactness
Ultra-lightweight design fits effortlessly onto any standard breadboard for prototyping.
Audio Fidelity
Delivers clear stereo sound suitable for hobbyist radio and experimental projects.
Hardware Versatility
Flexible voltage range supports a wide variety of microcontroller power configurations.
Key Specs
Operating Voltage
3V to 5V
Dimensions
41mm x 19mm x 7mm
Weight
3.2g
Frequency
102.3 MHz
Product Type
RF Transmitter
Connectivity Protocol
I2C
Development Environment Support
Arduino IDE
Know before you buy
Still have a question?
Ask Metto anything about the Adafruit FM Transmitter before you decide.
