ECE 5770 - Microcomputer Interfacing

Final Specs

Power

• To Drive Bottom Circuit
  Max Ratings
  • IR Emitter: 2V and 40 mA
  • Phototransistor: 5V and 25 mA
  • BCD LED Driver: 5.25V and 13 mA
  • LED: 2.8V and 20mA
• To Drive Servo = 5V and 600 mA
• To Drive Solenoid = 24V and 1000 mA
• Microprocessor = 9V and 19 mA

Accuracy

• Final times are accurate to 1 msec
• Calculated weights have an average accuracy of within 10% of actual weight
• Final result appears within one second of pushing the "Get Results" Button.

Racer GUI

• Easy to use GUI with fast response times
• Easy setup: Just plug in the serial cable from PC to microprocessor and start racing!
• The GUI helps keep track of racers, their weights, times and the place they took.