Wiring OEM in-chassis SMPSs for 3D printers…

Lots of people in the hobbyist community building RepRap-type 3D printers and other kinds of hobbyist-scale CNC tools often seem to use these switchmode mains-input power bricks designed for OEM integration into another chassis, commonly made by names such as MeanWell, Shenzhen Keyington (kytet) etc. Since some people sometimes have questions about how to correctly […]

Posted at 7:18 am on April 17, 2013 | 3 comments | Filed Under: electronics, hardware | Continue reading

The Kill-a-Watt: Not all versions are created equal :)

There are several different versions of the “Kill-a-Watt” power-measurement appliance on the market. They all have essentially exactly the same electronic design, but they’re a little bit different in terms of the PCB layout, packaging and component package choices. This device is one of the most often hacked and modified devices of its kind on […]

Posted at 7:07 am on August 23, 2011 | 1 comment | Filed Under: electronics, engineering, hardware hacking | Continue reading


The about-page goes here, but I haven’t gotten around to writing it yet.

If you really want to send me an email, please do.


In order to prevent spam-bots harvesting my email address (and possibly to prevent really dumb people emailing me) you’ll need to decrypt the above email address by means of a 13-way Caesar cipher, aka. ROT13.