A program that prints 'Hello world' is a traditional first program in 'big computer land', kind of like the basic blinky except for computers that don't have LEDs..

Now, the traditional helloworld program prints "Hello world" once, and then exits. But of course, for a 'physical computation' machine like ours -- living in the wild, out in the real world -- exiting makes no sense at all.

When you think about it that way, maybe the traditional program should really be called 'Goodbye world'.

This sketch uses traditional serial communications, connecting at 9600 baud 8N1, to print 'Hello world' to the NorthFace every ten seconds. Now that's polite,

// Print 'hello world' to the North face, at 9600 8N1, every ten seconds

void setup() {
  NorthFace.begin(9600);   // Start traditional serial on North at 9600 baud 8N1

void loop() { 
  NorthFace.println("Hello world"); // Say hello
  delay(10*1000);                   // Wait 10 seconds

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