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FM Tuner

Project 18 out of 18

Make a device that allows you to listen to local radio stations.

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In this final project in the Electronics Course, combine all the skills and concepts that you’ve learned throughout the past 17 projects to make an FM Tuner. This device will let you listen to local radio stations, program your favorite station as a preset, and scan the airwaves for new radio stations. First, learn how radios work, using frequency modulation (FM) and amplitude modulation (AM) to add information to a carrier signal. Next, assemble your hardware step-by-step, and then bring your components to life by writing a code with new commands and functions. After your FM Tuner is done and you’ve found some new music to listen to, complete the extra exercises to give your device more capabilities. These challenges are very tricky and will force you to use what you’ve learned. But don’t worry—you’re an electronics expert now!

Milestones Unlocked

Electronics

Circuitry

Programming (C++)

Modulating Signals

Pull-up & Pull-down Resistors

Course Progression

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Lesson Preview

The challenge exercises in this project will require you to use what you’ve learned over the past 17 projects to:

  • Add a button to toggle through multiple preset stations.
  • Add a second button to scan through all the stations.

The Online Classroom will give you some hints, but you’ll need to put your electronics skills to the test!

Electronics Course

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18 Projects

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Ages 12+

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