MSP 430 Project ECE 300 Circuits The University

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

MSP 430 • Low Power Architecture • 16 -bit CPU • 12 -bit ADC • Low Cost

Project Board

AD 590 • Accuracy • +/- 0. 5º C • +/- 0. 9º F • Power Range • 4 V – 30 V • Temperature Range • -55º C -- 150º C • -67º F -- 302º F • Output • 1μA/K

Circuit Diagram

Circuit Diagram 2

C Sensor File Code for the AD 590 was provided by Dr. Green. const float A = 0. 613, B = 0. 2; . . . XIN = A*B*ADC 12 MEM 6; DKEL = (XIN + XIN 1 + XIN 2 + XIN 3)*0. 25; XIN 3 = XIN 2; XIN 2 = XIN 1; XIN 1 = XIN; CDEG = (DKEL - 273. 2);

Temp. Change

Temp. Change 2

AD 22103 • 28 m. V/C

Circuit Diagram

Circuit Diagram 2

C Sensor File Code for the AD 22103 was orginally produced by Andrew White, James Hamdorf, and James Psihogios. float XIN 7 = 24. 5, XIN 6 = 24. 5, XIN 5 = 24. 5; float XIN 4 = 24. 5, XIN 3 = 24. 5, XIN 2 = 24. 5, XIN 1 = 24. 5; const float A = 0. 0613, A 1 = 21. 5909, B = 2. 41818; . . . sample = ADC 12 MEM 6; XIN = ((sample*A) - A 1)/B; SIGK = (XIN + XIN 4 + XIN 5 + XIN 6 + XIN 7 + XIN 1 + XIN 2 + XIN 3)*0. 125; XIN 7 = XIN 6; XIN 6 = XIN 5; XIN 5 = XIN 4; XIN 4 = XIN 3; XIN 3 = XIN 2; XIN 2 = XIN 1; XIN 1 = XIN; CDEG = (SIGK);

Temp. Change

Temp. Change 2

The End • Acknowledgements – Dr. Green – Group 9 Spring 2006 – Fellow groups • Questions ? ? ?