Showing posts with label Arduino. Show all posts
Showing posts with label Arduino. Show all posts
Tuesday, January 16, 2024

Andreas HB9BLA's Ideas on Building a Lab or Workshop

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Lots of great ideas on workshop or lab design from Andreas, the guy with the Swiss accent.  Andreas is HB9BLA.  I liked all of this, especia...
Tuesday, April 18, 2023

A Request for Digital Help from a Ham in Argentina

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Can someone out there help OM Martin LW9DTR?  His e-mail is on his QRZ.com page:  https://www.qrz.com/db/LW9DTR MARTIN LW9DTR  has left a ne...
1 comment:
Wednesday, March 29, 2023

The Awesome Homebrew of Will KI4POV

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  Will's homebrew station is really something.  The rig (it truly qualifies for this term of praise) is amazing all by itself  (see belo...
10 comments:
Thursday, August 4, 2022

Farhan Takes us Back into the Daylight -- An Analog Rig with a Homebrew Crystal Filter and an LC VFO

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  There is so much radio goodness in this rig and in the blog post that describes it.  Farhan's blog post will keep us busy for a long t...
2 comments:
Monday, May 30, 2022

A Modern Mechanical Television -- Nipkow Discs and Arduinos Lead to a Mechanical Color TV (video)

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I had, of course, heard about the mechanical TV systems that pre-dated the CRT-based "electronic TV" invented by Philo Farnsworth....
3 comments:
Tuesday, April 26, 2022

Level UP EE Lab Builds a Superhet Receiver

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I was really glad to have stumbled across Darren's YouTube channel:  (46) Level UP EE Lab - YouTube Heck, he has an S-38E on the shelf a...
2 comments:
Friday, March 18, 2022

Help! Can You Write the Software to Control the MAX2870 Board?

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  It is not every day that you get the chance to help a master homebrewer like Pete Juliano N6QW.  But today is just such a day.   Pete asks...
3 comments:
Wednesday, December 29, 2021

My Kind of Chip: A Homebrew Discrete 555 Timer Built on Wooden Boards (video)

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This is really beautiful. Radraksha Vegad (Pargrahi) from India built a discrete component version of the venerable 555 timer chip.  He buil...
3 comments:
Sunday, December 12, 2021

Hack-a-Day: Has DIY become Click-and-Buy?

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https://hackaday.com/2021/12/11/has-diy-become-click-and-buy/ Hack-A-Day today asks about the boundaries between DIY construction and the us...
14 comments:
Sunday, November 21, 2021

KG7TR's Magnificent 75S-2B Receiver -- Tubes, an Si5351, an Arduino, a Bit of Collins, and a Bit of a Drake 2-B

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  Oh man, I share this with much trepidation because the last time I posted something about the work of Mike KG7TR ,  Pete N6QW said he fel...
3 comments:
Monday, June 14, 2021

M0NTV's Latest FB SSB Transceiver

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Wow, Nick has a really wonderful rig and has made this great video to explain it.  Elements that I really liked:  -- The simple mic and comp...
Friday, May 28, 2021

Farhan's sBITX -- Combining SDR with the Traditional Superhet

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Here is Farhan's amazing presentation to the virtual 2021 FDIM event.  There is a lot of tribal knowledge in this video.  Lots of old an...
4 comments:
Sunday, January 3, 2021

An End to the HDR - SDR Conflict? Kevin AA7YQ Combines the Best of Both Worlds

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We've had some pretty amazing contact with Kevin AA7YQ over the years.  Kevin and I originally bonded due to our common experience with...
1 comment:
Monday, November 30, 2020

Adam N0ZIB's Direct Conversion Transceiver

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This is obviously very cool, but looking ahead I think Adam should think about adding one more mixer, changing the bias on the TX amps, and ...
5 comments:
Monday, August 31, 2020

Global Collaboration: The uSDX -- A Multi-Mode QCX

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Bill: There is a new open source, home brew, multi band, multi mode QRP transceiver that grew out of the QRP Labs QCX. Through some ...
Wednesday, June 24, 2020

Arduino, Si5351, GPS linked atomic clock, GPS disciplined frequency counter and more...

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Wow, it has been a while since I first talked to Rick, N3FJZ.  Above you can see his QSL card.  And here is a link to a SolderSmoke blo...
1 comment:
Monday, May 18, 2020

Homebrew Az-El Satellite Antennas from the Philippines and Australia

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https://nightskyinfocus.com/2020/05/18/diy-satellite-tracker/ DU1AU is way ahead of where I was when I was working with Low Earth Orbit ...
2 comments:
Tuesday, April 7, 2020

ZL2CTM Charlie Morris on "QSO Today" with Eric Guth 4Z1UG

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Eric Guth 4Z1UG had a really nice interview with our friend Charlie Morris ZL2CTM.  Charlie shared with Eric a lot of wisdom about how t...
5 comments:
Monday, April 6, 2020

The Low-Cost, Open Source COVID-19 Ventilator that Farhan is Helping to Build (Video)

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While many of us are just trying to pass the time by building Quarantine ham radio rigs, our good friend Farhan VU2ESE has been hard at wo...
2 comments:
Saturday, June 1, 2019

Antuino: Farhan's Compact RF Lab In-a-Box

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I now have Farhan's latest invention, the Antuino.  Pete will have his shortly.  Very cool.  SWR meter and antenna analyzer, power me...
1 comment: