Implement password authentication by 8051 using LCD and keypad.
Description
16×2 LCD is used to see the output. 4*4 keypad is used for input.
Required components
- 8051 MCU
- 16×2 LCD
- 4*4 Keypad
- Jumpers
Circuit diagram
4*4 keypad is connected to port2. The LCD data port is connected to port0.
Code
Header files required:- delay.h, keypad.h and lcd8bit.h
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Download Proteus Circuit and Hex File
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Video
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