Building a Super Simple AM Radio Transmitter & Receiver! Keeping Wireless Audio Communication easy!
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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.
Previous video: https://youtu.be/tLKsvHSADdw
Walkie-Talkie nRF24 video: https://youtu.be/SZYwvvh6m-s
Walkie-Talkie RF Modules: https://youtu.be/PKowvbnIxso
555 Timer video: https://youtu.be/fLaexx-NMj8
Voice-over Microphone video: https://youtu.be/ts-JqEVzvDo
Oscillator video: https://youtu.be/eYVOdlK15Og
Facebook: https://www.facebook.com/greatscottlab
Twitter: https://twitter.com/GreatScottLab
Support me for more videos: https://www.patreon.com/GreatScott?ty=h
More project information (pictures,.....) on Instructables: https://www.instructables.com/Simple-AM-Radio-Transmitter-Receiver/
Parts list: (affiliate links)
555 Timer: https://s.click.aliexpress.com/e/_dTrUY9D
Resistors: https://s.click.aliexpress.com/e/_dTPpXjt
Capacitors: https://s.click.aliexpress.com/e/_dU4FEsB
NE5532 OpAmp: https://s.click.aliexpress.com/e/_9JNpe3
Electret Mic: https://s.click.aliexpress.com/e/_AAJ0er
Perfboard: https://s.click.aliexpress.com/e/_AZXOgT
PCB Terminal: https://s.click.aliexpress.com/e/_dYbstfZ
XR2206 Function Generator: https://s.click.aliexpress.com/e/_Abhz51
TA7642 IC: https://s.click.aliexpress.com/e/_Adpjwb
100pF variable capacitor: https://s.click.aliexpress.com/e/_An8vVt
Enamelled copper wire: https://s.click.aliexpress.com/e/_9i1Heb
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!
Thanks to KiWiCo for sponsoring this video.
Music:
2011 Lookalike by Bartlebeats
0:00 "Complicated" Wireless Audio
0:45 Simple AM Radio Solution
1:59 Intro
2:09 Theory AM
3:19 Transmitter AM 555 Timer (sounds terrible)
6:08 Transmitter AM XR2206 IC (sounds decent)
7:25 Receiver AM TA7642
9:53 KiWiCo Sponsor
Видео Building a Super Simple AM Radio Transmitter & Receiver! Keeping Wireless Audio Communication easy! канала GreatScott!
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.
Previous video: https://youtu.be/tLKsvHSADdw
Walkie-Talkie nRF24 video: https://youtu.be/SZYwvvh6m-s
Walkie-Talkie RF Modules: https://youtu.be/PKowvbnIxso
555 Timer video: https://youtu.be/fLaexx-NMj8
Voice-over Microphone video: https://youtu.be/ts-JqEVzvDo
Oscillator video: https://youtu.be/eYVOdlK15Og
Facebook: https://www.facebook.com/greatscottlab
Twitter: https://twitter.com/GreatScottLab
Support me for more videos: https://www.patreon.com/GreatScott?ty=h
More project information (pictures,.....) on Instructables: https://www.instructables.com/Simple-AM-Radio-Transmitter-Receiver/
Parts list: (affiliate links)
555 Timer: https://s.click.aliexpress.com/e/_dTrUY9D
Resistors: https://s.click.aliexpress.com/e/_dTPpXjt
Capacitors: https://s.click.aliexpress.com/e/_dU4FEsB
NE5532 OpAmp: https://s.click.aliexpress.com/e/_9JNpe3
Electret Mic: https://s.click.aliexpress.com/e/_AAJ0er
Perfboard: https://s.click.aliexpress.com/e/_AZXOgT
PCB Terminal: https://s.click.aliexpress.com/e/_dYbstfZ
XR2206 Function Generator: https://s.click.aliexpress.com/e/_Abhz51
TA7642 IC: https://s.click.aliexpress.com/e/_Adpjwb
100pF variable capacitor: https://s.click.aliexpress.com/e/_An8vVt
Enamelled copper wire: https://s.click.aliexpress.com/e/_9i1Heb
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!
Thanks to KiWiCo for sponsoring this video.
Music:
2011 Lookalike by Bartlebeats
0:00 "Complicated" Wireless Audio
0:45 Simple AM Radio Solution
1:59 Intro
2:09 Theory AM
3:19 Transmitter AM 555 Timer (sounds terrible)
6:08 Transmitter AM XR2206 IC (sounds decent)
7:25 Receiver AM TA7642
9:53 KiWiCo Sponsor
Видео Building a Super Simple AM Radio Transmitter & Receiver! Keeping Wireless Audio Communication easy! канала GreatScott!
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