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An Arduino Based PTT Controller for FLDIGI and a Mac (UPDATED Feb 5, 2012)
It seems to me the way things are, the ways to run digital soundcard-based modes involves either a new rig and a new (enough) computer with a USB port. Or, you need an old computer with a serial port...
View ArticleCross-post: Arduino Based Bluetooth MAC Address Scanners
On my other blog: http://www.siliconcreek.net/transportation/arduino-based-bluetooth-scanners
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Arduino Presentation Links and Examples
On October 13, 2011, I presented An Introduction to Arduino Microcontrollers to my club, the Milford Amateur Radio Club. Below are links to help get started and other resources. I will be posting...
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Using an Arduino as a “Poor Man’s TDR”
Since I’m not an electrical engineer and they teach nothing about oscilloscopes in traffic engineering classes, I’ve been viewing lots of videos about using scopes on YouTube. After seeing W2AEW’s...
View ArticleCFMC Arduino Presentation and Notes
I gave a presentation to the Cincinnati FM Club on February 6, 2013. This was an update of the presentation I gave to the Milford Amateur Radio Club a while back. This page is a set of links for...
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Interesting Issue With Parts and The Global Economy
After reading a few blog posts out there from others, I decided that it would be interesting for me to get hold of an AD9851 module. My initial plan is to build an antenna analyzer and something else...
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BeagleBoard Black and Arduino Craziness (MacGyver Moment)
I’ve been playing around with my BeagleBone Black quite a bit recently. It all started with one of my coworkers bringing in a rain gauge that we had collecting dust somewhere in an office storage...
View ArticleOh-Ky-In Arduino Presentation & Notes
I gave a presentation to the Oh-Ky-In Amateur Radio Society on August 6, 2013. This was an update of the presentation I gave to the Cincinnati FM Club in February, which was an update of the...
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Simple Halloween Project
One of the things I am doing for Halloween involves a pumpkin, a proximity sensor, and a music shield. Unsuspecting suspect comes near pumpkin, and the pumpkin talks to them. This is a very simple...
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Mobile HF and my Need for an Easy Button
For anyone that’s been following me on Twitter, you’ve undoubtedly seen my tweets about getting some DX on 10m while mobile. For whatever reason, 10m seems to be the sweet spot with my 706 and the...
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The Easy Button? It’s Happening! Arduino Coding Part 1
This is Part 1 of God-Only-Knows How Many. I finally got around to working on the easy button – I found a decent (not great, just decent) tutorial on the web that discusses sending the status of a...
View ArticleThe Easy Button? It’s Happening! Arduino Coding Part 2
This is Part 2 of God-Only-Knows How Many. Part 1 is here. A little progress. My weekend was busy with website design for another site I run, the CQWW contest (I spent only around 45 minutes, only 20...
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Working with the Bus Pirate Arduino Shield
The bus pirate Arduino shield is a discontinued item from Dangerous Prototypes. I picked up the PCB via a free PCB coupon a while back, built it a few months later, and then finally decided to use it...
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New Arduino Project: Spectrum Analyzer?
I've been reading a lot about receivers, and it sounds like one important thing is filtering. It makes sense too - simple receivers can suffer from front end overload due to a strong signal. And when...
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Arduino Filter Sweeper Update
I'm not going to call it a spectrum analyzer anymore - the way I've designed this, it isn't going to do the same things as a spectrum analyzer. The main difference is that a spectrum analyzer can...
View ArticleHAPPY ARDUINO DAY!!!
Yes, I shouted that. And for very good reason - Arduino started me down the road of playing with micro-controllers (you can tell I haven't made a red cent on any of this - I call it "playing" :-)). I...
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Got a BADGEr!
Ever since seeing the name badges from the Open Hardware Summit 2013, I wanted one. I tend to make it to 2-4 transportation conferences a year, plus 3-5 hamfests, so having a cool looking badge is......
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BADGEr: More Thoughts, Temperature Readings
Last week (on a post that proved that even an evil genius can sometimes mess up simple math and set a post to fire 4 days early) was the introduction, today is some new findings. Memory If you follow...
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Sensing Rotational/Angular Position
Backstory: I'm writing most of this as the ARRL June VHF contest is underway. With the 706 still laid up (parts did NOT come on Friday the 13th with a full moon... positive omen? No.), it's on the...
View ArticleLooking at the Arduino Due
I bought an Arduino Due a while back, and not having anything seriously pressing, it was set aside for other things. The Due has a lot of differences from other Arduinos for various reasons. The stuff...
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Arduino + DDS + Scope + Experimenting
A while back, I bought a few DDS modules through eBay. I used code from NR8O to program one of them and started pulling parts from the bin and pushing the output signal through the parts and into a...
View ArticleArduino Yun!
On the way back from a meeting, I dropped by the Columbus Micro Center Mall. I really didn't know what I was looking for, but I figured I'd want to look at something for a project in the works (that...
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RFduino and the Physical Web
I happened to stumble on an advertisement for a cool looking device that would work with a phone via Bluetooth. It was ideally something that would be used for things like movie times, bus waiting...
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iGate Part Deux
Some time ago I built an Internet gateway (iGate) for monitoring APRS packets and sending them to APRS-IS. It never made it to the blog partly because it was built out of Direwolf, so it was mostly...
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