Drone Powered 360º Circular Smartphone Camera Rig

1/*   ~ Simple Arduino - xBee Transmitter sketch ~
2
3  Read an analog  value from potentiometer, then convert it to PWM and finally send it through serial  port to xBee.
4  The xBee serial module will send it to another xBee (resiver)  and an Arduino will turn on (fade) an LED.
5  The sending message starts with  '<' and closes with '>' symbol. 
6  
7  Dev: Michalis Vasilakis // Date:2/3/2016  // Info: www.ardumotive.com // Licence: CC BY-NC-SA                    */
8
9//Constants:  
10const int potPin = A0; //Pot at Arduino A0 pin 
11//Variables:
12int value  ; //Value from pot
13
14void setup() {
15  //Start the serial communication
16  Serial.begin(9600); //Baud rate must be the same as is on xBee module
17}
18
19void  loop() {
20  //Read the analog value from pot and store it to "value" variable
21  value = analogRead(A0);
22  //Map the analog value to pwm value
23  value =  map (value, 0, 1023, 0, 255);
24  //Send the message:
25  Serial.print('<');  //Starting  symbol
26  Serial.print(value);//Value from 0 to 255
27  Serial.println('>');//Ending  symbol
28}

1/*   ~ Simple Arduino - xBee Transmitter sketch ~
2
3  Read an analog
4  value from potentiometer, then convert it to PWM and finally send it through serial
5  port to xBee.
6  The xBee serial module will send it to another xBee (resiver)
7  and an Arduino will turn on (fade) an LED.
8  The sending message starts with
9  '<' and closes with '>' symbol. 
10  
11  Dev: Michalis Vasilakis // Date:2/3/2016
12  // Info: www.ardumotive.com // Licence: CC BY-NC-SA                    */
13
14//Constants:
15  
16const int potPin = A0; //Pot at Arduino A0 pin 
17//Variables:
18int value
19  ; //Value from pot
20
21void setup() {
22  //Start the serial communication
23
24  Serial.begin(9600); //Baud rate must be the same as is on xBee module
25}
26
27void
28  loop() {
29  //Read the analog value from pot and store it to "value" variable
30
31  value = analogRead(A0);
32  //Map the analog value to pwm value
33  value =
34  map (value, 0, 1023, 0, 255);
35  //Send the message:
36  Serial.print('<');  //Starting
37  symbol
38  Serial.print(value);//Value from 0 to 255
39  Serial.println('>');//Ending
40  symbol
41}

1/*   ~ Simple Arduino - xBee Receiver sketch ~
2
3  Read an PWM value  from Arduino Transmitter to fade an LED
4  The receiving message starts with '<'  and closes with '>' symbol.
5  
6  Dev: Michalis Vasilakis // Date:2/3/2016  // Info: www.ardumotive.com // Licence: CC BY-NC-SA                    */
7
8//Constants
9const  int ledPin = 3; //Led to Arduino pin 3 (PWM)
10
11//Variables
12bool started=  false;//True: Message is strated
13bool ended  = false;//True: Message is finished  
14char incomingByte ; //Variable to store the incoming byte
15char msg[3];    //Message  - array from 0 to 2 (3 values - PWM - e.g. 240)
16byte index;     //Index of array
17
18void  setup() {
19  //Start the serial communication
20  Serial.begin(9600); //Baud  rate must be the same as is on xBee module
21  pinMode(ledPin, OUTPUT);
22}
23
24void  loop() {
25  
26  while (Serial.available()>0){
27    //Read the incoming byte
28    incomingByte = Serial.read();
29    //Start the message when the '<' symbol  is received
30    if(incomingByte == '<')
31    {
32     started = true;
33     Serial.print("true");
34     index = 0;
35     msg[index] = '\\0'; // Throw  away any incomplete packet
36   }
37   //End the message when the '>' symbol is  received
38   else if(incomingByte == '>')
39   {
40     ended = true;
41     break;  // Done reading - exit from while loop!
42   }
43   //Read the message!
44   else
45   {
46     if(index < 4) // Make sure there is room
47     {
48       msg[index]  = incomingByte; // Add char to array
49       index++;
50       msg[index] = '\\0';  // Add NULL to end
51     }
52   }
53 }
54 
55 if(started && ended)
56 {
57   int value = atoi(msg);
58
59   
60   analogWrite(ledPin, value);
61   Serial.println(value);  //Only for debugging
62   index = 0;
63   msg[index] = '\\0';
64   started =  false;
65   ended = false;
66 }
67}