| #include "Arduino.h" | |
| #define LED_BUILTIN 2 | |
| void setup() { | |
| pinMode(LED_BUILTIN, OUTPUT); | |
| } | |
| void loop() { | |
| digitalWrite(LED_BUILTIN, HIGH); | |
| delay(1000); | |
| digitalWrite(LED_BUILTIN, LOW); | |
| delay(1000); | |
| } | |
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