Arduino code, Python Code & README file

Author: ujjwalmaity

PythonCode.py

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+# import the serial and time library
+import serial
+import time
+
+# initialize a serial object using our serial library
+# Note: It is very important to mention the correct COM port name.
+#      It can found by using the Device manager on your computer.
+arduinoData = serial.Serial('com3', 9600)
+
+# hold the program for two seconds
+time.sleep(2)
+
+# read anything coming from Arduino
+data = arduinoData.readline()
+print(data.decode('utf-8'))
+# read another line coming from Arduino
+print(arduinoData.readline().decode('utf-8'))
+
+
+while 1:
+    # get input from user
+    data = input('-->')
+
+    if (data == '1'):
+        # write the value of the parameter to Arduino
+        arduinoData.write(data.encode('utf-8'))
+        print(arduinoData.readline().decode('utf-8'))
+
+    if (data == '0'):
+        arduinoData.write(data.encode('utf-8'))
+        print(arduinoData.readline().decode('utf-8'))

Python_Arduino.ino

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+char serialData;
+
+void setup()
+{
+  Serial.begin(9600);
+  pinMode(LED_BUILTIN, OUTPUT);
+
+  Serial.println("Hi!, I am Arduino");
+  //Serial.print("Hi!, I am Arduino\n");
+  //Serial.write("Hi!, I am Arduino\n");
+
+  Serial.println("Enter 1 to turn ON LED and 0 to turn OFF LED");
+}
+
+void loop()
+{
+  /*  
+  while (Serial.available())
+  {
+    serialData = Serial.read();
+    Serial.print(serialData);
+  }
+  */
+
+  if (Serial.available() > 0)
+  {
+    serialData = Serial.read();
+    if (serialData == '1')
+    {
+      digitalWrite(LED_BUILTIN, HIGH);
+      Serial.println("LED turned ON");
+    }
+    else if (serialData == '0')
+    {
+      digitalWrite(LED_BUILTIN, LOW);
+      Serial.println("LED turned OFF");
+    }
+  }
+}

README.md

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+# **Python & Arduino**
+
+![Arduino](images/1arduino.png) ![Laptop](images/2-lenovo-ideapad-300.png)
+
+![Library](images/pyserial.PNG)