Geeky, HackSpace, HACMan, Mac, Tool March 20, 2017 Skippy No comments

How I make a Screencast

I have been playing with Fusion 360 again… and as part of that I have been finding cunning tricks that I am thankful that I now know. Since I think I have a blog or something, I shall share those I find to be useful. And for this I shall use the medium of interpretive […]

Geeky, HackSpace, HACMan, Tool, Work April 7, 2016 Skippy 12 comments

Cheep Chinese Camera

I picked up this 50H10L (HI3518E_50H10L_S39) based cheap POE CCTV style camera as a test for replacing the cameras we use at work to view EUTs (Equipment Under Test). the cameras we normally use are wired CCTV cameras. The (professionally done) CD comes with a number of applications and PDFs on it… The one useful set […]

Arduino, Geeky, HACMan, Physics, Science, Tool October 26, 2014 Skippy 3 comments

Building a Geiger Counter

A while ago I bought a DIY Arduino Geiger Counter kit from ebay and a SBT-11A Russian Geiger counter tube. The SB-11A is a very sensitive alpha tube, comparable to the LND 7317 in some ways. It also seems sturdier and is certainly cheaper. The data sheet gives: 44-49 cps/uR/sec, so the CPM to uSv/h conversion ratio becomes 318 […]