Summary of 3/29

10:00am
Continue to organize my harddisk. Why are there so many junks in my laptop? Is it my fault? Oh, my goddness. I hate myself. ^_^

3:00pm
Do some PID test for heater controller. Here you can find more info.

9:00pm
Back to office. Add some figures in my spin-flip technote. And clean my webpage pdf files. Too many history problems.