If you have been following this site or perhaps my Kickstarter campaign you probably heard about my PiBurn rotary attachment for laser engravers. I’ve been testing various glasses, and found big beer glass that was challenging to engrave as is. This prompted me to upgrade maximum height adjustment slightly. This...
I’m so excited to have my product on Kickstarter! Finally after almost a year in making and testing I decided to share it with the world. What’s PiBurn you might ask? Well it’s add-on device for Laser Engraver machines that allows to engrave various cylindrical objects. It’s powered by a...
In Part 2 of T.H.O.R. rover build I talked about issue I had with turning.  It was clear that they way rover was built it wouldn’t work so I went on researching. As you have probably guessed answer lied in Omni-Wheels. These are very clever wheels that can spin in...
I have a lot of #Mote2 sensors I use. Most are powered by a 3V coin cell (CR2032) and are able to survive for a long time (usually around 10 months) transmitting temperature/humidity data every 5 minutes. But one in my shed really amazed me. I remember that I replaced...
This is second part of my build log of the T.H.O.R. Rover. Please see first part (concept and idea) here. Components. Motors and Frame Because I based my rover on rocker-bogie platform with skid steering drivetrain (think steering a tank, turning is accomplished by rotation of one side in one direction and...
Robotics is fascinating and complex topic. Â I’ve always wanted to dive into it headfirst, but seeming complexity, cost in both time and money has stopped me so far. Finally I decided to dedicate some time and explore this subject by building my own robot. Hopefully this will be a series...
Less than a week ago, I decided to try out new materials and made faux “brushed gold” fidget spinner. Â Little did I know that demand for it would be insane!
https://www.youtube.com/watch?v=evk7SA1aPfk
When I realized how inexpensive powerful LED chips became I decided to look into building my own Super Duper LED Flashlight. But before I can do that, I wanted to see what it takes to drive a 100 Watt LED array. So I got this LOHAS 100W LED Chip off Amazon...