>Week 8

Input Devices


My input device of choice was the acceleromter. Ooh boy was that a bad decision. The ADXL343 is a component that has ultra tiny pads that the Carvera can't really cut, so when I tried to mill this thing the pads were all conjoined and shorted together. I actually didn't realize the problem until a week later because I used this component prior in week 7 (check it out for the picture of physical board).


I forgot to take a picture of the actual final product, but if observed close, the pads are not seperated in the slightest. I tried to saw them out with an exacto knife, but I ripped of an entire pad. With some DIY, I hand cut the trace with copper vinyl wrap. Then, I stuck it to the board remaking the pad and trace that I tore off. Sautered my component, aaaand plugging it in led to no output. Oh well. I wish I had a picture because that surgical procedure was a beauty (not really).


Because of my stupidity, I went to the breadboard to get some input device working. I choice the ball tilt sensor because it detects shifts in its axis like the ADXL343.





Oh yeah! I also did a photoresistor for the fun of it.

Somehow the LEDs didn't affect the photoresistor... interesting.




Oh yeah, I found the poorly grafted trace. Also, look at those tiny pads I had to deal with.