Category Archives: VAYU-NTX

AVR/Arduino Timing Issue with fresh ATMEGA328p

Posted on July 2, 2014 by Steve Smith

I’d like to draw attention to an issue I’ve experienced building the latest VAYU-NTX v1.04 board. I had previously built one that suffered from the same issue but I ended up very frustrated and this probably contributed to my having … Continue reading →

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VAYU-NTX v1.05

Posted on June 2, 2014 by Steve Smith

It’s been a while since I posted here. I took a (LONG) break from things electronic and HAB. However, I have gradually gotten back into things. I have designed an minimal Arduino™ board, minDUINO, design files available on ProjectAVR. This … Continue reading →

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Launch Announcement – [POSTPONED]

Posted on January 15, 2014 by Steve Smith

[UPDATE 21/01/2014] Due to the wind direction predictions, I have postponed this launch. I will still be giving the talk at the North Kent Radio Society, just sans launch. Watch for launch announcements in the coming weeks. All being well, … Continue reading →

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Neu VAYU

Posted on December 18, 2013 by Steve Smith

I’m very happy to report that the new VAYU-NTX v1.04 PCBs have arrived along with a solder stencil. The boards and stencil are of the normal high quality from Hackvana (Thanks again Mitch). Although I enjoy the process of hand … Continue reading →

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Hellschreiber

Posted on December 17, 2013 by Steve Smith

One of the real pleasures of having Amateur Radio as a hobby is the amazing breadth it covers. There are so many facets, to it. One facet is the transmission modes available to experiment with. My first love in radio … Continue reading →

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Comments Active

Posted on December 7, 2013 by Steve Smith

Just a quick update post: I’ve re-enabled comments, this time with a CAPTCHA device. Comments may be left at will now and I will see how it goes. Mitch from Hackvana has kindly notified me that the VAYU-NTX v1.04 PCBs … Continue reading →

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Released!

Posted on November 28, 2013 by Steve Smith

I’ve been busy testing the VAYU-NTX PCB and cobbling together code to enable it to send telemetry. I have managed to combine Anthony Stirk‘s RTTY demo code and Matthew Beckett‘s NORB 3 code along with a few snippets of Chris … Continue reading →

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Evolution

Posted on November 21, 2013 by Steve Smith

Tuesday 19th saw delivery of the VAYU-NTX v1.03 prototype PCBs from Hackvana. I am really pleased with the consistency of quality and finish on their PCBs. I chose a blue colour this time and I really like it. It’s not … Continue reading →

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Vayu-NTX

Posted on October 14, 2013 by Steve Smith

When field testing my re-design of CHEAPO into VAYU I noticed that the transmit frequency is easily affected by ambient temperature. Although this tends not to be too much of a problem once the payload is several kilometers up and … Continue reading →

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