I’ve been busy the last couple of weeks, learning all the ins and outs of my new Cetus3D 3D-printer. It’s a cheap printer for around $300, but it has linear rails and can give excellent results. Unfortunately, the calibration quality from the factory was terrible, which is unfortunate on such a superb printer. My Y-axis […]
[Continue reading]After finally getting my Cetus3D MkII 3D-printer I was eager to start to print. When I started through the steps to calibrate the printer by adjusting the build plate height, but the print head/nozzle refused to get close enough to the build plate to finish the calibration! The cables on the motor came in contact […]
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ITEAD contacted me about testing some new equipment and write an unbiased blog post about it. I usually reject all such offers, but this one worked for me. Why? Well, all the stuff they offered was on my shopping list anyway! And my home is quite literally chock full of Sonoff relays, lamps, etc. So the […]
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Over the years I’ve been reading about a way of restoring old computers and other equipment where the plastic has turned yellow and how some bright guys developed a method called Retr0bright to reverse the process. The reason for the yellowing of the plastic is the flame retardant bromide that is infused in the plastic […]
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Part 1 – Checking the Velocity Factor of the Coax Cable I have a homebuilt Collinear Antenna on one of my two ADS-B receivers. It’s an eight element antenna, built without any real effort of making sure that all the elements where the right length. So it’s about time to try to do it properly. […]
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