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arduino ultrasonic communication

i was thinking about using the ultrasonic  module (hc-sr04) for communication for two or more arduino.the way i was thinking of do to turn a 8 bit number into single bits(i have no idea on how to do that) and send them one at time(with delay)
to a another arduino which turn it back into a number also  has a master arduino  and slave arduinos 





vov354 years ago
Did you ever do anything with this idea? it sounds interesting, I was thinking about something similar today. I'm sure there's a command for converting to binary.