Experiment No.3Aim: Interface seven segment displays with Port P2. Write program to display number 0 to 9 on the seven segment display at the interval of 1 second.

Apparatus required: 89s5x trainer kit.

Circuit diagram:Fig.1 Interface seven segment displays with 8051Worksheet1. How many way the seven segment display can interface with 8051? 2. What is seven segment displays?

3. Comparison between seven segment display and LCD?

4. Write program to display number 10 to 20 on the seven segment display at the interval of 0.5 second.

a) Using decoderb) Direct interfacing of seven segment with 8051

5. Write program to display char A to G on the seven segment display at the interval of 0.5 second.

c) Using decoderd) Direct interfacing of seven segment with 8051