11 lines
		
	
	
		
			129 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			129 B
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "Arduino.h"
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void setup() {
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  Serial.begin(115200);
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}
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void loop() {
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  Serial.println("Hello world!");
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  delay(1000);
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}
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