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Experiment 4

Feb 26th, 2019
116
0
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  1. a)
  2. void setup() {
  3. for(int i = 2; i<=9; i++){
  4. pinMode(i, OUTPUT);
  5. }
  6. }
  7.  
  8. void loop() {
  9. for(int i = 2; i<=9; i++){
  10. digitalWrite(i, HIGH);
  11. delay(200);
  12. }
  13. for(int i = 9; i>=2; i--){
  14. digitalWrite(i, LOW);
  15. delay(200);
  16. }
  17. }
  18.  
  19. b)
  20. void setup() {
  21. for(int i = 2; i<=9; i++){
  22. pinMode(i, OUTPUT);
  23. }
  24. for(int j = 0; j<4; j++){
  25. for(int i = 2; i<=9; i++){
  26. digitalWrite(i, HIGH);
  27. delay(200);
  28. }
  29. for(int i = 9; i>=2; i--){
  30. digitalWrite(i, LOW);
  31. delay(200);
  32. }
  33. }
  34. tone(13, 440, 1000);
  35. delay(1000);
  36. noTone(13);
  37. }
  38.  
  39. void loop() {
  40.  
  41. }
  42.  
  43. c)
  44. void setup() {
  45. for(int i = 2; i<=9; i++){
  46. pinMode(i, OUTPUT);
  47. }
  48. }
  49.  
  50. void loop() {
  51. for(int i = 2; i<=9; i++){
  52. digitalWrite(i, HIGH);
  53. delay(200);
  54. digitalWrite(i, LOW);
  55. }
  56. }
  57.  
  58. d)
  59. void setup() {
  60. for(int i = 2; i<=9; i++){
  61. pinMode(i, OUTPUT);
  62. }
  63. }
  64.  
  65. void loop() {
  66. for(int i = 2; i<=9; i++){
  67. digitalWrite((i%8)+2, HIGH);
  68. digitalWrite((i+2)%8+2, HIGH);
  69. delay(200);
  70. digitalWrite((i%8)+2, LOW);
  71. digitalWrite((i+2)%8+2, LOW);
  72. }
  73. }
  74.  
  75. e)
  76. void setup() {
  77. for(int i = 2; i<=9; i++){
  78. pinMode(i, OUTPUT);
  79. }
  80. }
  81.  
  82. void loop() {
  83. int pin=random(2,10);
  84. digitalWrite(pin,HIGH);
  85. delay(100);
  86. digitalWrite(pin,LOW);
  87. }
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