Evan's and Aaron's Final Project

How it works?

Inside the mailbox, a photoreceptor waits for the mailbox door to be opened.
When the door is opened, a signal is transmitted, revieved by a unit within
the house, amplified by a resistor, and used to switch a LED on.  This is
the signal mail has been recieved, and will remain on until the user resets
the system, and waits for the next delivery.

Owners Manual for The Mail Detector


What is The Mail Detector?

The Mail Detector is a simple device that is perfect for anyone who hates
continuously checking the mail box only to find that the mail hasn't been
delivered yet. By sending a wireless signal from the mailbox to a receiver
placed conveniently anywhere in the home, you will know exactly when your
mail has come and finally put an end to the inconvenience of the mailbox.


How do I set up The Mail Detector?

The Mail Detector is easy to setup and only takes a couple minutes. There
are two pieces to The Mail Detector, the detector/signal transmitter and
the receiver. First drill a hole in the top of the mail box large enough
for the antenna to fit through. Place the detector in the mail box (the
detector doesn't haven't a button) and make sure that the antenna is
coming through the hole and the light sensor is aimed towards the mail box
lid.  Finally place the receiver somewhere in the house.  Now you are
ready to check the mail at your convenience.


How do I know if I have mail?

The Mail Detector receiver light will turn on.


How come The Mail Detector light never turns off?

Every time you get the mail you must press the "Got Mail!" button in order
to receive the next signal from the mail box.


How come The Mail Detector doesn't detect when my mail comes?

Most likely the detector isn't able to pick up the signal from the mail
box. Try moving the receiver to a different part of the house, closer to a
door or window facing the mail box. Also, your mail box might be allowing
too much light to get in (usually caused by drilling too large a hole in
the mailbox for the antenna). Remember your results may vary!