Simple AM Radio Transmitter & Receiver

Introduction: Simple AM Radio Transmitter & Receiver

About: Awesome Electronics Tutorials, Projects and How To´s

In this project we will keep it simple when it comes to wireless audio communication. Instead of trying to use an nRF24 or RF modules, we will go back to the old days in which they used AM radios. I will show you how such amplitude modulation works and along the way show you how to build a super simple AM transmitter and receiver. Let's get started!

WARNING: Always check your local law if you want to transmit something with AM! Sending on certain frequencies and thus blocking other licensed transmitters can be illegal. So if you want to try it then make sure that the transmission power is super low. In my example the transmitter was only capable of sending over a distance of around 2-3m.

Step 1: Watch the Video!

The video will give you all the information you need to create your own AM radio transmitter & receiver. During the next steps though I will present you some additional information.

Step 2: Order Your Parts!

Step 3: Create the Circuits!

Here you can find the schematics for the circuits. Use them as a reference.

Step 4: Success!

You did it! You just created your own AM radio transmitter and receiver!

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    Question 1 year ago

    The transmitter with the 555 is the first schematic?