WEEK 25 (FYP SEM 2)   29 OCTOBER 2012

TITLE: Testing Timer circuit

OBJECTIVE: To construct and Test Timer circuit for feeder

CONTENT/PROCEDURE:

 The timer Circuit has been constructed based on the diagram below. The component use as shown are PIC 16F84, buzzer, relay, transistor C547, voltage regulator, (10Kohm, 1Kohm,220 Ohm) resistors, capacitors, diodes, switch, 7-segment, 74HCT164 and LEDs.

schematic diagram of Timer

schematic diagram of timer

ANALYSIS/ RESULT:

This timer is design with alarm setting. The timer will display the current clock in hour and minutes and the alarm can be set to eight different time. For additional, this timer also can display days from Sunday to Saturday. This timer circuit has four main button which is T for time adjustment, A for alarm adjustment, + for incremental digit and - for decremental digit. The switch on/off will enable or disable the alarm.

For the circuit operation, the time is adjust to current time using the T button and + and - button. To set an alarm, the A button is pressed and the alarm can be set using + and - button and press T button to end process of setting an alarm. 

Clock display in hour and minutes

Alarm 0 until Alarm 7

Setting day Sunday to Saturday

For this feeder, the alarm is set for eight different time starting from 8:00 a.m, 11:00 a.m, 02:00 p.m, 05:00 p.m, 08:00 p.m, 11:00 p.m, 02:00 a.m, and 05:00a.m. 

Alarm time set

CONCLUSION

The timer circuit is functioning and consider as success.


" ...With ALLAH blessing, plus with Supervisor guidance, plus with Family support, plus with Friends advise, I know I will do my best to finish this project, INSYAALLAH..."