At work the other day, I got the opportunity to teach a class on inductance and resonance in relation to electronic circuits. So of course, I thought a tesla coil […]
Inkplate 6, A “versatile, easy-to-use, Wi-Fi-enabled e-paper display”
So, my good friend, the Libre Hacker, sent me a link to a new e-paper display that is pretty cool and completely open source! It is the new Inkplate 6. […]
Building a Pinewood Derby Timer: Finishing the arch and adding the last of the wiring!
Well, I finally finished it! The pinewood derby timer is done. Check it out! First, I had to finish the wiring for the lights and the sensors, and then I […]
Building a Pinewood Derby Timer: Wiring in the displays
Now that I have the displays mounted on the pinewood derby timer, it was time to wire them in. I still don’t have lights or sensors in yet, but I […]
Building a Pinewood Derby Timer: 3D printing some display covers
Well, I decided to print a few display covers to go around the LED displays. This covers up the unsightly hole that I cut from the box, and seems to […]
Building a Pinewood Derby Timer: The Box for the “Arch”
As I have been constructing this Pinewood Derby Timer, I needed some sort of box or enclosure to make the top of the arch. So I took apart a junk […]
Building a Pinewood Derby Timer: Setting up the LED displays
So one of the driving components (pun intended) of the derby timer is the LED displays. I went with the smaller ones from Adafruit, as we wouldn’t need a second […]
Building a Pinewood Derby Timer: Getting the schematics and parts list…
A local church group that I attend needed some help with an Awana project. They use a pinewood derby track for racing cars, and they needed a timer built for […]
Damp dryers…
Somewhat of a break from the norm, but today the dryer quit drying. The clothes stayed damp, and there was no heat inside the dryer when you opened the door. […]
Home Photo Server, Part 4: Battery Backup
One of the problems that I have with a local server is that we frequently have power “blips”. I don’t want to say outages, because the power is on about […]