initial project began at 2010-01(Jan)-03
2011.06(Jun).19-1
2011.06(Jun).19-2
2011.06(Jun).21-1
2011.06(Jun).21-2
asm Makefile
2011.06(Jun).26-1
2011.06(Jun).26-2
scheme from doc7518.pdf (atmel.com)
2012-04(Apr)-28 1
2012-05(May)-27 1
2012-05(May)-28 1
2012-05(May)-28 2
2012-06(Jun)-24 1
add protect with varistor
more effective reverse voltage polarity protection with p-channel mosfet transistor
add capacitors
2013.03.04
power-bridge -> power-bridge + power-switch
2-power-bridge  7-power-switch