Senior Project: (Last Day – 1) && (Last Day)

Thursday we mostly worked on the ME’s Fish Bot. There was a problem with the board they used to program the fish. They could write to RAM and run in debug mode and everything would work fine. They could also flash the ROM, but they couldn’t run out of ROM. After a few hours of testing with the scope, it problem was traced to a malformed 3.3 v wave form. Instead of being a constant 3.3 volts, the fish was getting somewhere between 3 and 3.3 volts. The dip in voltage was attributed to a power converter that could only handle 200mA. The fish nominally uses 300mA. So we added another 200mA power converter and the fish worked! Score one for EE.

Friday was just a massive 7 hour coding spree. The code I wrote is working, sort of. But I have a new idea. So I’m going to pretty much start from scratch next week.

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