Appendix B: Schematics/pictures
Power circuit
Receiver circuit
Transmitter circuit
LCD circuit
Programming port
MCU circuit
Testing the software
Close-up of the Tx and Rx circuits
Close-up of the MCU and LCD
Testing the hardware
Sample input and output
Mode menu
Sample distance and speed measurement
User selectable measurements
Calibration mode
The final product
Copyright © 2004 by Vincent Ng and Jerry Wang. All rights reserved.