Blog
QRPGuys CW keyer
January 31, 2019 | RalphAlthough a Begali or Bencher (now Vibroplex) paddle was on my Christmas list, Santa must have felt that I wasn’t a good as I could have been. However, all was not lost. I did manage to snag a keyer kit … Read More
Monitor transmitter quality using a RF tap
January 29, 2019 | RalphThe uBitX is a popular multi-band QRP transceiver. Preparing to assemble my own 40m uBitX, I wanted a means to monitor the RF output to confirm that any harmonics and spurs are at levels that meets FCC requirements. I have … Read More
Wolf River Coil TIA Enhancement
January 23, 2019 | RalphWoke up this morning and found my photo background covered with snow. Shoveled a bit and took this photo of my modified Wolf River Coil Take-It-Along kit with a dual collar.
The kit ships with three 32′ radials with … Read More
Raspberry Pi Slides from RARA presentation
October 12, 2018 | Ralph | 3 CommentsThis evening, I presented “An Introduction to the Raspberry Pi” to a group of radio amateurs from the Rockford Amateur Radio Association. It was great to get together with this group again and a good time was had by all. … Read More
Celebrating one year back in the hobby…
August 7, 2018 | RalphToday marks my one year anniversary of my return to amateur radio. To celebrate, I presented a talk on the Raspberry Pi to our local radio club, the McHenry County Wireless Association. As promised, I am uploading my slide deck, … Read More
Arduino, Raspberrry PI, or any SPI enabled device: Speak Now!
April 25, 2018 | RalphI happened across an interesting Kickstarter project, BIG BUDDY TALKER , an inexpensive way to add natural sounding speech to your next project. It features more than 1000 sounds (visit the Kickstarter to see the current list of words) that … Read More
Raspberry Shake Wins Innovation Prize
March 24, 2017 | RalphCongratulations to OSOP SA, the team who brought us the [Raspberry Shake], a personal seimograph, on being awarded the Panama National Prize for Business Innovation for their work on the Shake.
Left to right: Amilcar Watcher, Ángel Rodriguez, Kiara … Read More
Review: The Turing Exception
January 31, 2017 | RalphThe Turing Exception by William Hertling My rating: 5 of 5 stars
4.5 out of 5.0 for the book and 5 out of 5 for the series – Amazing glimpse into what our future could be.
I started William … Read More
Fitbit Sleep Data Analysis
January 25, 2017 | RalphDo you ever wonder how your sleep patterns stack up against other Fitbit users? Well, the people at Fitbit did. They gathered 2015 sleep data from over 10 million Fitbit users and compared the statistics by generation (Millennial, Gen X, … Read More
Review: Quarantine
December 30, 2016 | RalphQuarantine by Greg Egan My rating: 3 of 5 stars
3.5 out of 5 — Futuristic hard Sci-Fi with a great premise and so-so characters.
Warning: Not treadmill safe. Listening to or reading this book while on a treadmill … Read More