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GROUP #2. Adam Fraprie. Ed Shouse. MSP430 Project. John Glass. Dr. Green. Objectives. Construct Circuit Board MSP430 Load and Test “Hello” Software Demo.c Construct Sensor Circuit AD590 Load and Test Sensor Software Sensor.c Accurately Measure Temperature in Celsius and Fahrenheit. - PowerPoint PPT Presentation
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MSP430 Project
Adam Fraprie
John Glass Dr. Green
Ed Shouse
GROUP #2
Objectives• Construct Circuit Board
• MSP430
• Load and Test “Hello” Software• Demo.c
• Construct Sensor Circuit• AD590
• Load and Test Sensor Software• Sensor.c
• Accurately Measure Temperature in Celsius and Fahrenheit
MSP430
• Ultra Low Power Architecture
• Extends Battery Life• 0.1μA RAM Retention
• 16-bit CPU• Low Cost
Completed Circuit Board
1. LCD
2. Power Supply
3. MSP430
4. PC Connection
5. Reset
6. Input
7. Output
8. Capacitors
AD590
• Accuracy• +/- 0.5º C
• +/- 0.9º F
• Power Range• 4V – 30V
• Temperature Range• -55º C -- 150º C
• -67º F -- 302º F
• 2 Terminal Device• Voltage in (+)
• Current out (-)– 1μA/K
Sensor Circuit
Sensor Circuit
Software Filter// Filter the signal with a 4th order moving average SIGK = (XIN + XIN1 + XIN2 + XIN3 + XIN4 + XIN5 + XIN6 + XIN7)*.125; XIN7 = XIN6; XIN6 = XIN5; XIN5 = XIN4; XIN4 = XIN3; XIN3 = XIN2; XIN2 = XIN1; XIN1 = XIN; CDEG = (SIGK - 273.2); FDEG = 1.8*CDEG + 32.0; // converting from deg C to deg F
Temperature Vs. Passes
0
5
10
15
20
25
30
1 2 3 4 5 6 7 8 9 10 11 12
Passes
Tem
per
atu
re O
utp
ut
Filterd Temperature
Completed Thermometer
New Experiences
• Soldering
• Construction of Practical Circuit
• Programming Flash Memory
• Calibration Using Potentiometer
• Engineering Team Building
• FUN!!!!
Questions ???
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