Classroom HackSpaceChallenge/Buzzers/BuzzerHub
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Hardware
How many buzzers should a hub connect to? Which microcontroller Which battery Which communication Buzzer? Leds?
Software
One extensible way of doing it is for the hubs to have some form of language for defining a lesson. E.g simple statements like.
Wait 10 secs Listen for button response Listen for server response Send button press to server If button 4 pressed last light green led and sound buzzer
Obviously this would be in opcode fashion to save space.
Owner
The lucky person in charge of building designing the Teacher Module