UDP
write()
Writes UDP data to the buffer - no data is actually sent. Must be wrapped between beginPacket() and endPacket(). beginPacket() initializes the packet of data, it is not sent until endPacket() is called.
// SYNTAX
Udp.write(message);
Udp.write(buffer, size);
Parameters:
message: the outgoing message (char)buffer: an array to send as a series of bytes (byte or char)size: the length of the buffer
Returns:
byte: returns the number of characters sent. This does not have to be read