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Although Ram VU3XVR's project is in the digital realm, his barebones approach to the bits and bytes is, for me, very appealing. He takes a Si5351 and runs it with ATtiny13 with only 1k of space. He makes intelligent use of every bit of that space. He reveals his overall approach to rigs when he states in the video that his VFO will NOT have the traditional glowing numeral frequency readout because those bright lights can be so annoying and distracting. I'm with your Ram! Well done OM. Simplicity is a virtue. No more trouble with the Arduino and its fickle IDE. No more agonizing visits to the Si5351 library. I see lots of applications for this little circuit. Ram mentions beacon transmitters. He provides details here: https://vu3xvr.blogspot.com/2018/07/si5351-dds-clock-generator-using.html
Source code attached, please try again. It's not yet commented completely, feel free to mail me. The best place to start HAM AVR assembly is www.w8bh.net very well documented. I learned a lot from him. VU3XVR
Would be nice in case there would be a chance for making versions with frequency ranges according to ones own requirements ( e.g. for local oscillator use ).
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24 Mar: Park activation of KFF-3056
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Hmmm - I'll ask but I'll probably operate from a picnic table I'll be
heading out this Sunday morning to make radio waves fly forth from Sheldon
Lake State...
Music to my ears
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It works!
Last night I completed the wiring of my Push Pull Colpitts transmitter. I
ended up doing "bus bar" wiring. It gives a 3D effect and worked well...
An Arduino Discovery and a Mystery
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What should be clear is still veiled!
So OK I have a lot of transceivers that I have collected with most being
acquired on the cheap. So while there may be...
Hunting For NDBs In CLE242
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*Online KiwiSDR Network*
*CLE242* runs this weekend and is a bit different than most. This time,
listeners are required to use an online remote receiver t...
G3RJV
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During one of my last few Skype sessions with Bob W3BBO, he commented on
how this blog has gotten depressing as of late., with all the SK notices.
Sorry to...
Rod KQ6F Has A New SW200 AM Processor For Sale!
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Please note that the above photo is of my SW200, though Rod’s no doubt
looks exactly the same. A few months back, I received this note from Rod
KQ6F – Hi...
Homebrew WAS
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Could this be the first FT8 WAS earned using only QRPish (10 Watts)
scratch-built homebrew gear? If not, it's got to be a very small club.
I'm not much i...
New SNA Power Meter function update 2/17/19
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Finally got around to working on the hardware and software for the new
SNA. I decided to build the hardware in stages and test each as I went
along. Afte...
FT8 Cracked
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I’ve got an early Christmas present for you all! In conjunction with
today’s final release of WSJT-X 2.0.0 (n.b. I’m not affiliated with that
project in an...
A New Look for your uBitx!
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Adding a "Cool Blue" Display to your uBitx!
The standard "green background" with black lettering frequently reminds me
that I suffer from Chronic seasicknes...
Posts
Nice! Simple! Elegant!
ReplyDeleteVery nice!
ReplyDeleteNice but is the source attached? All I see are hex files. I'd like to learn more by viewing the source code.
ReplyDeleteLooks like you'll have to disassemble them.
DeleteSource code attached, please try again. It's not yet commented completely, feel free to mail me. The best place to start HAM AVR assembly is www.w8bh.net very well documented. I learned a lot from him. VU3XVR
DeleteAn assembly language programming guide can be found here:-
ReplyDeletehttp://www.avr-asm-download.de/beginner_en.pdf
Programming the ATtiny13 in Assembly
ReplyDeletehttp://usethearduino.blogspot.com/2009/08/programming-attiny13-in-assembly.html
Would be nice in case there would be a chance for making versions with frequency ranges according to ones own requirements ( e.g. for local oscillator use ).
ReplyDeleteThe source code is available for download now. its not yet fully commented, but usable. by vu3xvr
ReplyDeleteGreat, but where can i find the source? Until now only those four HEX versions could be found.
ReplyDelete