{"id":1274,"date":"2020-09-15T22:15:46","date_gmt":"2020-09-16T02:15:46","guid":{"rendered":"https:\/\/courses.ideate.cmu.edu\/48-339\/f2020\/?p=1274"},"modified":"2020-09-15T22:15:46","modified_gmt":"2020-09-16T02:15:46","slug":"class-5-15-sep-state-changes","status":"publish","type":"post","link":"https:\/\/courses.ideate.cmu.edu\/48-339\/f2020\/?p=1274","title":{"rendered":"Class 5, 15 Sep – State changes"},"content":{"rendered":"

Class Admin<\/strong><\/h2>\n

who needs access to A10? We can only do it Tue night during class hours.<\/p>\n

bookstore has not shipped yet. we will get tracking #\u2019s when they do.<\/p>\n

This is in the kit: <\/a>ELEGOO UNO Project Super Starter Kit with Tutorial and UNO R3 Compatible with Arduino IDE<\/a><\/p>\n

trying to deal with lost class time: an assignment for next tue, then a crit on the 24th that includes the assignment?<\/p>\n

Review Assignments<\/strong><\/h2>\n

what went right?<\/p>\n

what went wrong?<\/p>\n

The \u201cthing like a pot\u201d is a rotary <\/a>encoder<\/a><\/p>\n

Finite vs. abstract state machines<\/strong><\/h2>\n

<\/a>finite<\/a>: what we\u2019re doing in class, fixed states and paths<\/p>\n

<\/a>abstract<\/a>: can modify itself to adapt to changes in data.<\/p>\n

What\u2019s a state machine in nature with interaction?<\/strong><\/h2>\n

Reactive state machines:<\/p>\n

<\/a>Hourglass<\/a> timer – set time, start, stop, reset<\/p>\n

Arcade game – attract \/ play \/ reward<\/p>\n

gambling devices slot machines<\/p>\n

<\/a>Murphy bed<\/a> attached to lights<\/p>\n

Interactive state machines:<\/p>\n

content predictors on Amazon\/Netflix\/eBay, \u201cif you like\u2026\u201d<\/p>\n

advertising predictors, \u201cif you like xxx we want you to buy yyy\u201d<\/p>\n

microwave that can adjust cooking time based on humidity (I have one of these!)<\/p>\n

traffic lights with IR detectors for EMS vehicles<\/p>\n

<\/a>Picker robots<\/a><\/p>\n

Music instrument as state machine:<\/p>\n

https:\/\/www.humaninstruments.co.uk\/instruments<\/p>\n

What if state machines were smart(er)? What are interesting problems for them to solve?<\/p>\n

What are predictive states machines? console gaming turned in to physical gaming<\/p>\n

auto-aiming \/ <\/a>target tracking<\/a><\/p>\n

catch a frisbee (dogs know calculus)<\/p>\n

Can made predictions based on history\/sensors? Your car notices you\u2019re a sloppy driver (exhausted) and limits your speed. Duolingo detects you\u2019re having vocab problems and changes your exercises (this is an ASM, arguably).<\/p>\n

Visual changes in state<\/strong><\/h2>\n