Week 3 (Final Semester)

Title: Circuit design

Objective:

• To master the PROTEL DXP software
• To design circuit for the project
• Testing the circuit by simulation

Content:

After several error had been corrected, finally the final circuit for the Automatic Car Lock/Unlock system has been ready to fabric. Because of the RF sensor has two main part, which is the transmitter and the receiver, so the circuit also split to two. This is the two circuit before it convert for PCB fabrication

Transmitter circuit

Normal circuit

Convert for fabrication

-Components

 -Pins

-components and pins

Receiver ciruit

-Normal circuit

-Components

-Pins

-Components and Pins

Analysis:

While design this circuit, the lay out must be as simpler as it can and the lay out must must below 90 degrees at the corner. If not the circuit will have some error when operate. The name and the ID number on the lay out is to keep the originality as a designer.

Conclusion:

With the circuit lay out is finish, next week will begin purchasing the components and the hardware of the project