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Old 26th May 2021, 12:48 pm   #1
Gabe001
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Join Date: Oct 2019
Location: Stockport, Greater Manchester, UK.
Posts: 1,611
Default Arduino AM transmitter

Very interesting

https://create.arduino.cc/projecthub...smitter-d3b6e3

Has anyone made this? It looks cheap and easy to build and according to the video it works reasonably well, if you ignore the harmonics.

I may give it a go.

Gabriel
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Old 26th May 2021, 4:38 pm   #2
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Default Re: Arduino AM transmitter

Nice, the article said something about an LPF (Low Pass Filter) on the RF output. These modern, cheap micros are amazing to people thinking* anything above a few kHz is RF, it isn't anymore!

*Like me a while ago, doing maths at 50MHz is very cheap today.
 
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