Electronics

Enhancing the AVR ISP II

in tech    4 min. read

May 23, 2011

The AVR ISP II is a device to program an AVR microcontroller using a 6 pin header in a circuit. It does not contain any capability to power the circuit being programmed. This could be very handy. Dave Jones at the EEVBlog has a video about adding power to the ISP cable, using an LM317 to provide both 5V and 3.

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Amateur Extra Class - No More Tests

in tech    1 min. read

February 9, 2011

I studied for a month or so and re-learned quite a bit of electronics for AC circuits. Resistance, Reactance, Polar Impedance. I took the test on the morning of February 5th and missed 1 out of 50. So now I am an Extra Class Licensed Ham Radio operator. No more tests to take. This is as high as it gets. I am still working on what type of antenna to put up.

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I'm such a HAM...

in tech    2 min. read

December 18, 2010

Years ago, Dad and I attended meetings for Amateur Radio at the local Red Cross building in Jeffersonville. We both worked through passing the 5 words per minute Morse Code and test to get our Novice license and then studied and passed the test for Technician Class. I was licensed in 1990 and expired in 2000. Just when I was starting work in the “Real World”, outside of college. I didn’t bother renewing.

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