Ebin George - electroSome

Flow Control in Python

Ebin George — Wed, 20 Nov 2013 09:19:19 +0000

What are Control Flow statements? We often come across situations in which we need to divert or change the usual sequential flow of execution. The flow control statements can be classified into Conditional Statements and Iteration Statements. The Conditional Statements selects a particular set of statements for execution depending upon a specified condition. While the […]

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Getting Started with Python

Ebin George — Fri, 12 Jul 2013 06:31:31 +0000

What is Python? Python is an open source general purpose programming language. It is designed in such a way to improve software quality, developer productivity, program portability and component integration. Python gives more importance to its code readability and its syntax allows programmers to program their idea in fewer lines of code than other programming […]

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Interfacing Keypad with 8051 Microcontroller using Keil C

Ebin George — Sat, 08 Jun 2013 13:40:39 +0000

Matrix Keypad Matrix Keypads are commonly used in calculators, telephones etc where a number of input switches are required. We know that matrix keypad is made by arranging push button switches in row and columns. In the straight forward way to connect a 4×4 keypad (16 switches) to a microcontroller we need 16 inputs pins. […]

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Interfacing Servo Motor with 8051 using Keil C

Ebin George — Wed, 22 May 2013 17:57:24 +0000

A servo motor uses servo mechanism, which is a closed loop mechanism that uses position feedback to control the precise angular position of the shaft. Stepper Motors, which is an open loop system can also be used for precise angular control. But Servo Motors are preferred in angular motion applications such as robotic arm. Moreover controlling of […]

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Interfacing Stepper Motor with 8051 using Keil C – AT89C51

Ebin George — Fri, 17 May 2013 15:25:48 +0000

A Stepper Motor is a brushless, synchronous DC Motor. It has many applications in the field of robotics and mechatronics. The total rotation of the motor is divided into steps. The angle of a single step is known as the stepper angle of the motor. There are two types of stepper motors Unipolar and Bipolar. Due to the ease […]

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Interfacing DC Motor with 8051 using L293D – AT89C51

Ebin George — Sun, 12 May 2013 19:34:38 +0000

In some of the electronics projects you may want to control a DC Motor with 8051 microcontroller. The maximum current that can be sourced or sunk from a 8051 microcontroller is 15 mA at 5v. But a DC Motor need currents very much more than that and it need voltages 6v, 12v, 24v etc, depending upon the type of motor […]

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Interfacing Relay with 8051 using Keil C – AT89C51

Ebin George — Fri, 10 May 2013 02:56:55 +0000

In some electronic applications we need to switch or control high voltages or high currents. In these cases we may use electromagnetic or solid state relays. For example, it can be used to control home appliances using low power electronic circuits. An electromagnetic relay is a switch which is used to switch High Voltage or Current using Low power […]

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LED Blinking using 8051 Microcontroller and Keil C – AT89C51

Ebin George — Sat, 04 May 2013 11:57:24 +0000

8051 Microcontroller is a programmable device which is used for controlling purpose. Basically 8051 controller is Mask programmable means it will programmed at the time of manufacturing and will not programmed again, there is a derivative of 8051 microcontroller, 89c51 micro controller which is re-programmable. 89c51 is 8-bit device means it is capable of doing 8-bit operations. It have 4 ports which are used as input or […]

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