My version of a crystal replacement Arduino synth.

VK3ZYZ

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Nov 11, 2024
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Here is my "VFO" to free old crystal locked set.
More details are here, including a pdf build instruction that is too beg to post on this forum....

and some of the history of the project for those who like to read a lot...

This board has been used on various radios from HF SSB sets to UHF FM. And also, as a VHF repeater controller.
This latest version is mostly surface mount as that is a lot easier to build.

There is a lot of other info at Forums
Feel free to download the info and modify to your heart's content.
 

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  • NANO_VFO4_cct.pdf
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  • 2M_VFO_20241113.zip
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