Data Monitor Project
Now that you are experts at making your own printed circuit boards, let’s apply the information you’ve learned and build ourselves an extremely useful debugging tool, the data monitor. Figure A-1 shows the assembled unit.
Figure A-1 The Data Monitor
Imagine how useful it would be to be able to monitor and record information about our environment for extended periods of time without having to physically be there. With a variety of input sensors designed for your specific needs, you could monitor and record everything from the temperature of your attic to the number of people who visited your store.
The data monitor ...