I seem to like flooding my basement… Usually by overfilling one of my aquariums, or intentionally putting 55 gallons of water in a 45 gallon aquarium. Sometimes, I overfill the swimming pool in the back yard. So I decided to put together a monitoring system. It will monitor my sump pump, letting me know when …
Continue reading “Sump Pump, Aquaponics & Aquarium water level monitoring”
I just came across an interesting use of a mobile phone for sciency things… a audio frequency analysis to count RPM. Another great video by Matthias Wandel, or what I new him from for many years before I found his youtube channel, woodgears.ca The premise is you find the audible frequency spike, combine that with …
I’ve been giving myself a crash course refresher on light over the last new months. It started when I picked up a used Laser Cutter and wanted to figure out how it cuts with light. What I’ve written here is my understanding of things. I may be wrong, if so, please let me know in …
I recently picked up a Seek Thermal camera which plugs into my cell phone and allows me to see temperatures of stuff. It's a cheap unit, so it doesn't have the built in calibration tables that the expensive 'real' test equipment has. But it's good enough for most people's needs in a non-technical use. I …
https://github.com/creuzerm/openscad-projects/tree/master/laserable/Pen%20Case I cut it and am looking at it and while it looks good, I think it is flawed. The little round holes for stitching are easy to tell a robot to make. However, I am thinking that they actually overly weaken the seam. I didn't look for the wisdom in the old fashioned hand …
Continue reading “I wrote a bit of OpenScad to laser cut a leather pen case”
