1. 1 - Now let’s modify our sketch to add an analog input - Let’s use the potentiometer from HW #4 Arduino Overview:

2. 2 - Connect the Red wire to +5V, Black to GND, and White to A0 Arduino Overview:

3. 3 - Leave the LED connected to pin 9 but it won’t blink Arduino Overview:

4. 4 - Potentiometer is acting like an analog sensor - We can now hook up any analog sensor and see its value (at least through serial) - What other sensors can we hook up? - Let’s add some… - But first let’s add the Protoshield Arduino Overview:

5. 5 - Take out the Protoshield your team built in HW#4 Arduino Overview:

6. 6 - Carefully connect it with your unpowered Uno Arduino Overview:

7. 7 - Carefully connect it with your unpowered Uno Arduino Overview:

8. 8 - Carefully connect it with your unpowered Uno Arduino Overview:

9. 9 - Carefully connect it with your unpowered Uno Arduino Overview:

10. 10 - Reconnect Uno to laptop and verify all is working - Activate Serial Monitor Arduino Overview:

11. 11 - Disconnect LED Breadboard and connect wire from pin 9 to JC3 on ProtoShield - Activate Serial Monitor Arduino Overview:

12. 12 - Carefully move wire to JC3 to JC2… Arduino Overview:

13. 13 - Add the Temperature Sensor to the Breadboard Arduino Overview:

14. 14 - Connect Pin 1 to 5V Arduino Overview:

15. 15 - Connect Pin 3 to GND Arduino Overview:

16. 16 - Connect Pin 2 to A5 Arduino Overview:

17. 17 - Modify your sketch to add the following variable Arduino Overview:

18. 18 - Modify your sketch to add the following lines in loop Arduino Overview:

19. 19 - Compile and Upload - Activate Serial Monitor - Test by putting your finger on the sensor - Do you see a change? Arduino Overview:

20. 20 - Convert to Voltage and display on Serial Monitor Arduino Overview:

21. 21 - Should see this… Arduino Overview:

22. 22 - Use spec sheet to convert to degrees C - 10 mV/C - Look for offset Arduino Overview:

23. 23 - 0.5 V offset Arduino Overview:

24. 24 - Modify your sketch Arduino Overview:

25. 25 - Should see this… Arduino Overview:

26. 26 - Data make sense? - How would you calibrate this sensor? Arduino Overview:

27. 27 - Add the Humidity Sensor to the Breadboard Arduino Overview:

28. 28 - Connect 5 V from Temp Sensor Arduino Overview:

29. 29 - Connect GND from Temp Sensor Arduino Overview:

30. 30 - Connect Out to A4 Arduino Overview:

31. 31 - Modify Sketch Arduino Overview:

32. 32 - Should get… Arduino Overview:

33. 33 - Convert to voltage and understandable units from data sheet - Algebra Arduino Overview:

34. 34 - Modify Sketch Arduino Overview:

35. 35 - Should get… Arduino Overview:

36. 36 - Data make sense? - How would you calibrate this sensor? Arduino Overview:

37. 37 - Add the Accelerometer to the Breadboard Arduino Overview:

38. 38 - Connect 3.3V to Vcc from UNO Arduino Overview:

39. 39 - Connect GND to GND from Humidity Sensor Arduino Overview:

40. 40 - Connect ZOUT to A3 on UNO Arduino Overview:

41. 41 - Connect YOUT to A2 on UNO Arduino Overview:

42. 42 - Connect XOUT to A1 on UNO Arduino Overview:

43. 43 - Accelerometer has a few other settings we need address from the Data Sheet Arduino Overview:

44. 44 - Sleep…Connect 3.3V from Accel Vcc to SLP Arduino Overview:

45. 45 - Range…Connect 3.3V from Accel Vcc to GSEL Arduino Overview:

46. 46 - Modify Sketch as follows Arduino Overview:

47. 47 - Modify Sketch as follows Arduino Overview:

48. 48 - Should get… Arduino Overview:

49. 49 - Convert to voltage and understandable units from data sheet - Algebra Arduino Overview:

50. 50 - Convert to Voltage = accelX * (5.0/1024) - Subtract offset and convert to Gs Gs = (voltage – 1.65) / (0.206) Arduino Overview:

51. 51 Arduino Overview: - Modify Sketch as follows

52. 52 Arduino Overview: - Modify Sketch as follows

53. 53 Arduino Overview: - Should get…

54. 54 Arduino Overview: - Hold X flat, should see 0 G

55. 55 Arduino Overview: - Hold X arrow pointing up, should see 1.0 G

56. 56 Arduino Overview: - Hold X arrow pointing down, should see - 1.0 G

57. 57 Arduino Overview: - Repeat with Y and Z axes - May need to tape breadboard down - Do you need to Calibrate? - How would you do it?

58. 58 - Add the Pressure Sensor to the Breadboard - Notice orientation Arduino Overview:

59. 59 - Add the Pressure Sensor to the Breadboard - Notice orientation Arduino Overview:

60. 60 - Connect Pin 2 to 5.0 Volts from your Humidity Sensor Arduino Overview:

61. 61 - Connect Pin 4 to GND from your Humidity Sensor Arduino Overview:

62. 62 - Connect Pin 3 to A0 on your UNO Arduino Overview:

63. 63 - Modify your sketch… Arduino Overview:

64. 64 - Modify your sketch… Arduino Overview:

65. 65 - Compile and upload. Should see… Arduino Overview:

66. 66 - Use ¼ sprinkler tubing to suck on pressure sensor - Do not blow as limit of this sensor is 15 psi Arduino Overview:

67. 67 - Convert to voltage pV=A0*(5.0/1024) - Use spec sheet to solve for psi (Algebra) Pmax = 15 psi Pmin = 0 Vsupply = 5.0 V Output(V) = pV Arduino Overview:

68. 68 - Solve for Pressure(applied) = Pa Pa = psi= (pV – (.1 * 5.0)) / (.8*5.0) / (15-0) psi= (pV –.5) / (.4 / 15) Arduino Overview:

69. 69 - Modify your sketch… Arduino Overview:

70. 70 - Modify your sketch…Suggest commenting out your accel and other sensor Serial.print statements Arduino Overview:

71. 71 - Should see this… - Suck to zero? Arduino Overview: