platformio arduino uno blink

sys/platformio/arduino_uno/blink/.gitignore

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+.pio

sys/platformio/arduino_uno/blink/info.txt

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+pio project init --board uno
+  --> downloads build env for uno and creates "src" in local folder
+  --> "pio boards" shows all boards
+  
+pio run	                Build/Compile the project (does not upload).
+pio run -t upload	Compile & Upload code to the connected board.
+pio run -t upload -t monitor	                Compile & Upload & Monitor
+pio run -t upload --upload-port /dev/ttyUSB0
+pio run -t clean	Clean build files (useful if facing cache/compilation errors).
+pio device monitor	Open the Serial Monitor to read terminal/debug logs from the board.
+

sys/platformio/arduino_uno/blink/platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:uno]
+platform = atmelavr
+board = uno
+framework = arduino

sys/platformio/arduino_uno/blink/src/main.cpp

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+#include <Arduino.h>
+
+void setup() {
+  // Set digital pin LED_BUILTIN (Pin 13) as an output
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void loop() {
+  digitalWrite(LED_BUILTIN, HIGH); // Turn the LED on
+  delay(1000);                     // Wait for a second
+  digitalWrite(LED_BUILTIN, LOW);  // Turn the LED off
+  delay(1000);                     // Wait for a second
+}