Advantages And Disadvantages Of A Microcontroller
2.1 Microcontroller
A micro-controller is computer on a single integrated circuit-containing a processor core, memory, and programmable peripherals. It is a compact microcomputer, designed to control the operation of embedded electronic systems. The important part of micro-controller is its processor (just like all computers have) and memory, and some input or output pins that user can control.
Working
Microcontroller has pins to connect input device in order to get the input and output pins for controlling output devices (such as LED or
LCD Display) to exhibit the final process.
Most programmable microcontrollers that are used today are embedded in other consumer products or machinery including phones,
peripherals,
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Input and output devices include solenoids, LCD displays, relays, switches and sensors for data like humidity, temperature or light level, amongst others. 8
Design and Block Diagram
The basic internal designs of microcontrollers are pretty similar. All components are connected via an internal bus and are all integrated on one chip. The modules are connected to the outside world via I/O pins.
Comparison of microprocessor and microc ontroller
The major difference between Microprocessor and Micro-controller is that
Microprocessor can only process with the data, while Micro-controller can control external device. It is available with inbuilt memory, I/O lines, timer and
ADC. If we are interested to developed a system with a microprocessor, the designer has to attach external memory such as RAM, ROM or EPROM and peripherals. But the microcontroller has got all these peripheral facilities on a single chip.
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2.2 Arduino Board
The Arduino hardware is a so-called microcontrolling board
(Following called „board“). Basically it is a circuit board with many electronic parts around the actual microcontroller. On the edge of the board are many pins with whom it is possible to connect different
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