Example 2 What is a Programming Language? Programming in the sense of Microcontrollers or any computer means writing a sequence of instructions that are executed by the processor in a particular order to perform a predefined task. Programming also involves debugging and troubleshooting of instructions and instruction sequence to make sure that the desired task is performed. Like any language, Programming Languages have certain words, grammar and rules.
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Keypad Interfacing with 8051 microcontroller
Code Library Keypad Interfacing with microcontroller AT89S51 is an electronic device falling under the category of a microcomputer. Being a highly powerful microcomputer, AT89S51 provides effective solutions to numerous embedded control applications. Such keypads are seen in telephones and other commonly seen applications. Here in this chapter, we discuss in detail about the process of keypad interfacing with an AT89S51 microcontroller. Matrix Keypad Interfacing The advantage of a matrix keypad is that the use of it will allow the programmer to reduce the number of pins to be used.
Embedded Systems - 8051 Microcontroller