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

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

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

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

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

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

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

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

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

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

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

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

14 - Connect Pin 1 to 5V Arduino Overview:

15 - Connect Pin 3 to GND Arduino Overview:

16 - Connect Pin 2 to A5 Arduino Overview:

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

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

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

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

21 - Should see this… Arduino Overview:

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

V offset Arduino Overview:

24 - Modify your sketch Arduino Overview:

25 - Should see this… Arduino Overview:

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

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

28 - Connect 5 V from Temp Sensor Arduino Overview:

29 - Connect GND from Temp Sensor Arduino Overview:

30 - Connect Out to A4 Arduino Overview:

31 - Modify Sketch Arduino Overview:

32 - Should get… Arduino Overview:

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

34 - Modify Sketch Arduino Overview:

35 - Should get… Arduino Overview:

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

37 - Add the Accelerometer to the Breadboard Arduino Overview:

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

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

40 - Connect ZOUT to A3 on UNO Arduino Overview:

41 - Connect YOUT to A2 on UNO Arduino Overview:

42 - Connect XOUT to A1 on UNO Arduino Overview:

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

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

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

46 - Modify Sketch as follows Arduino Overview:

47 - Modify Sketch as follows Arduino Overview:

48 - Should get… Arduino Overview:

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

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

51 Arduino Overview: - Modify Sketch as follows

52 Arduino Overview: - Modify Sketch as follows

53 Arduino Overview: - Should get…

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

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

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

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

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

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

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

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

63 - Modify your sketch… Arduino Overview:

64 - Modify your sketch… Arduino Overview:

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

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

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

69 - Modify your sketch… Arduino Overview:

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

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