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I was inspired by jomoenginer and ordered a Jetson Nano Developer Kit directly from Nvidia.  I received it a few days ago but just now had a chance to set it up.   I noticed in YouTube videos that everyone uses the 4A power supply with the barrel jack.  I guess I should have checked earlier.  The default standard power mode is 10W.   It is supposed to be marginal with the 2A micro USB jack. There is a 5W power mode that you can select that reduces the CPU and GPU ...
Since this power supply has been around since 2015, there is a lot of information about it on the Internet.  I thought some on the info that I've come across on the internals of the power supply might be of interest to others.  I don't think this info is appropriate for a road test so I'm posting it on my personal blog not the road test blog.   A couple of caveats about this info: I would not suggest that anyone open or modify their power supply as that will definitely invalidat ...
ralphjy

Phones for the Elderly

Posted by ralphjy Top Member Apr 16, 2019
I'm writing this out of frustration of trying to find a simple phone for my 96 year old mother.  Going through the aging experience with my parents, other relatives, and parents of friends, has made me realize that appliances that are designed today are much too complicated people with diminishing capability to operate.  Let me use the phone as an example.   My mother lives in Hawaii and I live in Oregon (having moved 40+ years ago for an engineering job).  My mother was liv ...
I've wanted to try using a laser cutter but haven't had the opportunity until today.  There is a campus of Portland Community College (PCC) just up the hill from me.  Spring term was the first time that they've offered Maker community education courses (3D printing and laser cutting).  I was fortunate to get into the first laser cutting class.  They have 3 laser cutters from Universal Laser Systems in their MakerLab.   They have a 60 Watt model with a work area of 3 ...