Weekly Journal- PWM and Motors (Emily Smith)

This week we practiced programming DC motors and servos and made an LED flicker and change speed with a potentiameter. The next day we attempted to use an external power source to power, this was difficult because the wiring in the diagram was hard to follow, but by following Dr. Hamid we were able to get it wired in a way we thought to be correct, but instead of functioning, we wound up burning multiple transistors. Why this happened we still don’t know, but here is the pile we killed. 20170301_140854

Finally we were told to program a servo and not use an external power source, which was good, because we had done this before. After this we changed some of the parameters. and this is the video:


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