Showing posts with label microcontrollers. Show all posts
Showing posts with label microcontrollers. 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...
Thursday, July 7, 2022

Would this Really Be Homebrew?

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  Hack-A-Day has an interesting post about an FM Broadcast radio project .  I took a look.  The Github page has the schematics for the hard...
16 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:
Saturday, January 9, 2021

A Parachute that Flies Home Autonomously

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  Too often ham radio bloggers and podcasters tend to focus their efforts on the projects of, well, older guys like us.  I think it is a g...
1 comment:
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:
Sunday, November 29, 2020

Rocket Knack

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Truly amazing and impressive work.  Thanks to Hack-A-Day for the heads-up https://hackaday.com/2020/11/27/so-close-to-landing-a-model-rocket...
Sunday, April 12, 2020

Brace Yourselves: DK7IH's New Transceiver -- The Gimme Five

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Lock-down is bad enough, but now we will also have to cope with the feelings of homebrew inadequacy that Peter's rigs always cause....
1 comment:
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:
Saturday, March 14, 2020

SolderSmoke Podcast #219 SPECIAL CORONA VIRUS CRISIS PODCAST

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SolderSmoke Podcast #219 is available for download:  http://soldersmoke.com/soldersmoke219.mp3 14 March 2020 SPECIAL CORON...
7 comments:
Monday, February 24, 2020

SolderSmoke Podcast #218: S-38E Woes; CW filter for uBITX; A Teensy Explosion; Mint, Cheese and Peaberries; Mailbag; A SPECIAL PLEA FOR FEEDBACK

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SolderSmoke Podcast #218 is available  http://soldersmoke.com/soldersmoke218.mp3 SolderSmoke 218 is Sponsored by AF4K Crystal...
4 comments:
Wednesday, June 20, 2018

Rockets and a Microcontroller -- Videos

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https://bps.space/
1 comment:
Friday, April 1, 2016

A Major Change For SolderSmoke: Introducing the WireWrapRap Podcast!

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A New Direction for SolderSmoke Introducing Our New Podcast:  “WireWrapRap” Attentive listeners have probably noticed that f...
41 comments:
Friday, February 26, 2016

The Power and Potential of Small Computers (Quad Copter Videos)

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Start by looking at this one:  https://www.ted.com/talks/raffaello_d_andrea_meet_the_dazzling_flying_machines_of_the_future Then,...
Monday, September 7, 2015

Si5351 and the Spectral Purity Mask

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I was thinking about spectral purity standards and the Si5351 chip. I realized that I didn't even know what the FCC standards for &qu...
1 comment:
Thursday, August 20, 2015

Si5351 Phase Noise? A Tale of 3 Oscillators

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Si5351 at 16 MHz   There is still a lot of talk about the supposedly horrible phase noise of the Si5351 chip. In a recent episode of ...
6 comments:
Saturday, July 11, 2015

Interview in China with Arduino's Massimo Banzi: "Be nice!"

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Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts,...
Saturday, July 4, 2015

Two Party Balloons, an Arduino and an Si5351 FLY! ALOFT! UP IN THE AIR!

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http://www.qrp-labs.com/ultimate3/balloon.html Farhan alerted me to this.  This is clearly the coolest use so far of the Dynamic Duo...
2 comments:
Friday, June 5, 2015

BITX DIGI-TIA Build Update #7: On The Air!

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  With lots of encouragement from Pete, I finally got the BITX DIGI-TIA on the air.  The first contacts were made yesterday. I have it ...
1 comment:
Tuesday, May 26, 2015

BITX DIGI-TIA Update #4

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  Lots of progress over the long weekend.  Along the back you can see the three stages of the RF amplifier chain:  2N3904, 2N2218A, IR...
1 comment: