Reviews (with pictures) for a number of online prescription glasses retailers.
UHF for the fringe? Lots of options! Hi-VHF for the fringe? Well, there’s Stellar Labs…!
Sometimes the best way to find out how well X will work is to give X a try and see!
The down side to some of these cheap-yet-complex devices is that if you lose the manual and can’t find one online, your garbage bag often ends up with an extra item in it.
Since the panel had a 25 year warranty, I expected at least 1 hassle-free decade. 3 years was a little quick to be pulling things apart. Oh well.
Solving an odd little issue where instead of printing the backslash character to my Arduino-connected LCD, it was printing the Yen (¥) symbol!
Looking at this small scale wind turbine. Does it generate power? Yes. Does it generate *lots* of power? Well…
After buying/trying tonnes of controllers in an effort to try and utilize all the power my wind turbine can generate, I found a solution: Design and build my own controller!
A “30A” charge controller that struggles to provide 5A.
A solid little DC boost converter I’ve had for the last year.
The parents wanted an alarm and I got to pick and install one. Taking a look at one of the most cost-effective home alarm systems I could find!
Yes, I made a calculator… for worm things… Also optimized it for performance because I like performance, even on the web.
An online vermicomposting calculator (simulator) specifically for red wiggler worms. Made by me!
A look at a D-Link IP camera – one of the few cameras that let you upload images to an FTP server at regular intervals. And all without needing to install apps or use “the cloud”.
Recently grabbed a couple “50W” led flood lights. Electrically hazardous, missing screws, and mislabelled drivers – what’s not to love?!
Here I adjust the pH of water used for watering plants grown indoors. Tap water + pH meter + vinegar/citric acid.
Looking at the little Atom MAV nano, and an in depth guide for soldering to convert this quadcopter from “Mode 4” to the more common “Mode 2” controls.
The Air Hogs almost-indestructible “Helix Ion” quadcopter – a quick look.
Running LED’s from a simple bridge rectifier: a look at my little project.
Collecting data from Bridgelux/Cree datasheets and the Cree tool, and figuring out what’s the most efficient way to go… within reason.