One special feature of this setup is the ability to choose from 30 different buzzer sounds. There are several other quiz buzzer projects kicking around Hackaday if you’re interested. One of our ...
You may have beaten the buzzer in Battle of the Buzzers quiz #1 and #2, but now you only have 40 seconds in Battle of the Buzzers #3! See if you can be Top Class and beat the buzzer in this super ...
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