1. Group F Kai Gustafson, Brandon Ravenscroft, Chen Jia
Sonar Range Detector
Group F
Kai Gustafson, Brandon Ravenscroft, Chen Jia

2. Range Finder Block Diagram

3. Design Specifications
Battery life on final product will be at minimum 5 minutes of continuous run.
The sensor should be able to accurately sense objects up to 254 inches.
The sensor should be able to accurately sense objects as close as 6 inches.
The sensor will be able to able to detect distance with accuracy up to ± 2 inches..

4. Actual Performance Battery life -- CHECK!
Sense Objects up to 254 inches (Approx. 21 ft) -- CHECK!
Sense as close as 6 inches -- CHECK!
Detect with accuracy up to ± 2 inches This accuracy was only able to be reached up to 4 feet from the sensor. After that, it became much less accurate…
Power Consumption -- Next Slide

5. Power Consumption No Light With Light With Light/Fast Beeping
51 mA (459 mW)
65 mA (585 mW)
66 mA (594 mW)
Battery:
500 mAH
9.8 hrs
7.69 hrs
7.58 hours
Savings with power mode:
2.1 hours battery life
126 mW power

6. Demonstration
Questions???