Type the number of people you see going in or out of the building and click the button to log that number with a timestamp. You can also press enter inside the textbox after entering data to log the data. Data is not stored anywhere so if you refresh the page, you lose the data. Results are CSV, printed below.
https://github.com/thinkaliker/cs177-counter
Use =B2/60/60/24/1000+"1-Jan-1970"+(-7/24) in Google Sheets to convert to a readable format.
If people enter and then take the elevator/stairs, mark both.
Elevator A: A, B, C, G, H
Exits at both ends of the hall.
Elevator B: D, E, F
Exit near elevator.
