1. MSP 430 Project ECE 300 Circuits The University Of Tennessee Spring 2007 Group 8 : Alex Melhorn, Alex Hara, Laura Wakeman, David Heise

2. MSP 430 Low Power ArchitectureLow Power Architecture 16-bit CPU16-bit CPU 12-bit ADC12-bit ADC Low CostLow Cost

3. Project Board

4. AD590 Accuracy +/- 0.5º C +/- 0.9º F Power Range 4V – 30V Temperature Range -55º C -- 150º C -67º F -- 302º F Output 1μA/K

5. Circuit Diagram

6. Circuit Diagram 2

7. C Sensor File Code for the AD590 was provided by Dr. Green. const float A = 0.613, B = 0.2; const float A = 0.613, B = 0.2;... XIN = A*B*ADC12MEM6; DKEL = (XIN + XIN1 + XIN2 + XIN3)*0.25; XIN3 = XIN2; XIN3 = XIN2; XIN2 = XIN1; XIN2 = XIN1; XIN1 = XIN; XIN1 = XIN; CDEG = (DKEL - 273.2); CDEG = (DKEL - 273.2);

8. Temp. Change

9. Temp. Change 2

10. AD22103 28 mV/C28 mV/C

11. Circuit Diagram

12. Circuit Diagram 2

13. C Sensor File Code for the AD22103 was orginally produced by Andrew White, James Hamdorf, and James Psihogios. float XIN7 = 24.5, XIN6 = 24.5, XIN5 = 24.5; float XIN7 = 24.5, XIN6 = 24.5, XIN5 = 24.5; float XIN4 = 24.5, XIN3 = 24.5, XIN2 = 24.5, XIN1 = 24.5; float XIN4 = 24.5, XIN3 = 24.5, XIN2 = 24.5, XIN1 = 24.5; const float A = 0.0613, A1 = 21.5909, B = 2.41818; const float A = 0.0613, A1 = 21.5909, B = 2.41818;... sample = ADC12MEM6; XIN = ((sample*A) - A1)/B; SIGK = (XIN + XIN4 + XIN5 + XIN6 + XIN7 + XIN1 + XIN2 + XIN3)*0.125; XIN7 = XIN6; XIN7 = XIN6; XIN6 = XIN5; XIN6 = XIN5; XIN5 = XIN4; XIN5 = XIN4; XIN4 = XIN3; XIN4 = XIN3; XIN3 = XIN2; XIN3 = XIN2; XIN2 = XIN1; XIN2 = XIN1; XIN1 = XIN; XIN1 = XIN; CDEG = (SIGK); CDEG = (SIGK);

14. Temp. Change

15. Temp. Change 2

16. The End AcknowledgementsAcknowledgements –Dr. Green –Group 9 Spring 2006 –Fellow groups Questions ?????Questions ?????