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fmilburn

Robot Camp

Posted by fmilburn Top Member Jun 30, 2019
This blog has no other purpose than to encourage passing on some of our knowledge to the next generation.    Every summer my grandson and I get together for a week to "do electronics" as he calls it.  Robots are always involved.  This year his younger sister was old enough to join.   Day 1:  They arrived late in the evening.  I had a scrolling sign up at the front door welcoming them which used the Arduino MKR1000 and MKR RGB shield that I received from elem ...
9 August 19 Update:  8 July 19 Update:  A protoboard was populated for further testing and described at the bottom of the post   I have wanted to build a programmable DC load for some time and have followed both this one by Jan Cumps et. al. and also this one by John Wiltrout.  After lots of thought and no action I decided yesterday to just build something with what was on hand.    Specifications   Max 15V input and 2.5 Amps Min 1.8V and 0 Amps Resoluti ...
I have used right angle LED indicators on a number of projects in the past and have a small collection of them. The problem with such things, even were I to have a larger collection, is I never seem to have the right one when I need it.  In the past I have had to make do with the wrong color, wait on an order, or even just bend LEDs over without a fixture. But now I have a 3D printer that needs warming up so I decided to see if I could print a fixture.  The specifications I set for ...