Result And Analysis - Part 2-

Buzzer as Output (First Method)

Buzzer 5V is the output for the input IR sensor. The toggle switch pressed and LCD display will be turn to SMS = 0, the buzzer mode will active. When the IR Sensor detects the mail, the buzzer will be sound according to the set point that had been set. The display of the buzzer mode shows in Figure 4.2.

Display mode for Buzzer active

SMS as Output (Second Method)

GSM technology 7.5V is using to send Short Messaging System (SMS) to the user. GSM frequency range is 900-1800 MHz’s. When the mode is active for notification of SMS (SMS=1) the GSM module will be active. Once the input IR Sensor detects the mail, GSM will send the SMS to the user. Message setting coding are loaded into the PIC microchip. This coding are designed to simplify the user and they are easily can set the message character and phone number. The Figure below shows the SMS receiving from the GSM for the first notification when the project ON. 

GSM active for sending SMS

The Figure below has shown the display in LCD of the GSM mode. GSM mode is SMS=1.

Display for GSM active mode

The Figure below is shown the wave of the GSM frequency and the result is 904.8MHz. This frequency is in the range of the GSM frequency (900-1800MHZ).

The Frequency of GSM

This Figure below shows the receiving of SMS which is sending via GSM to inform the number of the mail when the mail inserted in to the mailbox.

SMS receive to notice the mail