Gringotts

Below is a log of our Gringotts (aka POE class budget) account balances.

Item Number Vendor Cost (USD)
3/8" rod 4 McMaster 20.25
Bearings 9 McMaster 5.31
Short timing belt 4 McMaster 26.10
24x24 acrylic 1 McMaster 37.60
Electromagnet 1 Amazon 14.63
Iron filings 1 Amazon 8.20
Demo stepper motor 1 Amazon 5.76
Large stepper motor 1 You-do-it Electronics 25.45
Small stepper motor 1 You-do-it Electronics 15.88
Motor shields 2 Robotshop 20.50
Longer timing belt 3 McMaster 28.08
Ball bearings 2 McMaster 9.12
M3 Screws Many McMaster 4.98
MDF 1 McMaster 5.00
Teflon tape 1 roll Amazon 2.25
Magnets 32 Amazon 7.79
Sheet metal (brackets) ~ Metal shop junk bin 2 (Free)
Assorted screws Multiple AC 306 ~1 (Free)
3D printing filament ~ Olin 10 (Free)
Total cost 262.73

A class budget of $250 was alloted, and when we neared that amount just before the end of a project, we were permitted to pass it slightly as long as items of equivalent or greater value were 'sold back' to the POE lab for future use.