Keypad interfacing

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This topic has 1 reply, 2 voices, and was last updated 7 years, 10 months ago by GANEEV SINGH.

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November 11, 2011 at 7:40 am #1393

FARRUKH
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Can any one tell me that how can I interface a keypad without using any controller.

March 26, 2018 at 6:20 am #14818

GANEEV SINGH
Participant

Hi

Here are two projects that might help you:

1.https://www.engineersgarage.com/microcontroller/8051projects/interface-keypad-AT89C51-circuit

2.https://www.engineersgarage.com/embedded/avr-microcontroller-projects/interfacing-keypad-circuit
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