All the Internet of Things – Episode 2 – Protocols: Machines Talking to Machines – AdaFruit | DigiKey
A protocol can be thought of as the language each machine, or machines, use to talk to each other. Protocols don’t deal with the messy business of moving bits to and from, they are a higher level set of rules the machines use to talk to each other.
 
                 
                 
                 
 
 
 
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