Dons Radio Lab

Dons Radio Lab Specializing in 2 way radio communication in interior Alaska

02/12/2026

So to contrast the previous 2 videos of showing how to set up a microcontroller how to blink an led, I'll go over how to use the arduino board to do the same thing. its less complicated as the arduino IDE program connects directly to the arduino board.

if you're interested in dipping your toe into experimenting with electronics getting an arduino board is pretty easy and inexpensive. with an arduino uno or nano board ($5-$20), a general assortment pack of electronic components ($15-$20), a bread board ($3-$5), and a pack of jumper wires ($3-$5) and you're up and running. you don't need to know how to code, most of this is already out there, all you need to know how to do is copy and paste. there is a TON of stuff on arduino's site and on the internet in general and there are thousand's of projects out there.

02/12/2026

modifying the code from the previous video and going a little more in depth on how to program a microcontroller with a T48 chip programmer

02/11/2026

I'm branching out from the development boards into programming microcontrollers directly. This worked on the 1st try!!

Edit: ok not physically smaller. The arduino nano has an ATMega328p. Which has 32 pins. The microcontroller I've programmed here is an ATTiny84a, which is a 14 pin chip

01/19/2026

I guess F/B doesn't allow videos and pictures in the same post. So this goes with the last post

I've been having trouble with my favorite calculator from college.  You'd have to add pressure  just below the screen fo...
01/19/2026

I've been having trouble with my favorite calculator from college. You'd have to add pressure just below the screen for any of the keypresses to register. Looking inside there is a foam block that has degraded and worn out over time. About the only thing I had on hand that had any bulk and some give is 3M VHB tape. I hope it doesn't become conductive over time! it took a couple of tries to get the lcd screen seated correctly. But we're back up and running!!

01/14/2026

Uh Oooohhh, the Spectrum Analyzer isn't feeling well. In this video I talk about my Analyzer, what it does, take a look inside, and how it differs from an oscilloscope.

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