2017-10-22
I am a firm believer that the tool a man uses to should conform to the man not the other way around. If, for example, I need to remove a Phillips-head screw I will not take a slotted screwdriver and forge it into a Phillips-head screwdriver. I will take a Phillips-head screwdriver and use that. In other words I will use a tool that is conformed to the me and my current need rather than Read more…
2017-10-08
Second board is complete. Here are a few pictures of the two boards mounted together. That’s total of eight ICTD inputs, eight 4-20mA current loop inputs, and eight digital outputs. Now I need to find something to control! Next update will be about yet another major screw up of mine.
2017-10-01
Today I was working on my power and serial expansion board for the Beagle Bone Black. This board provides 5VDC to the BBB, breaks out the RS-232 ports, and sequences (or is supposed to anyways) the power to the RS-232 transceivers and the IO board. All that because the BBB can not have any power applied to any of its input pins until a specific pin goes high indicating that the processor has found its Read more…