Mobile Science Kit RPM Frequency Counter

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 […]

A little bit about light

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 […]

2nd layout of the Mobile Science Lab

I added more items to the Mobile Science Lab.  The main new item is a WeatherFlow WEATHERmeter. This is a pretty neat bluetooth device that captures wind speed and direction, temperature, humidity, and barometric pressure. New stuff means I needed to update the case.  I fiddled a bit to get everything to fit.  I think […]

I recently picked up a Seek Thermal camera which plugs into my cell phone and allows…

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 […]