Arduino with Speaker

INTERFACING SPEAKER WITH ARDUINO This article is about to explain how to play music with a speaker or a 5v buzzer. Here in this we use a Arduino uno board to play coffin dance music with a 4Ω speaker. Use the source code in the article (do not alter it may cause different output)  upload …

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Operating modes of 8255

Operating Modes of 8255 Refer Architecture of 8255 PPI, before proceeding to this article. As discussed there are 3 modes of data transfer in 8255 PPI. In this article, operating modes of 8255 PPI is explained. Operating Mode 0 [ Simple Mode ] It is a normal mode of data transfer.  All 3 ports are available …

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Architecture of 8255

8255 PPI It is a programmable peripheral interface, which means it is a programmable device used to interface I/O devices with the processor. In reality, we are not supposed to connect I/O devices directly with the data bus of the processor ,instead there should be some device to which I/O ports should be there to …

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Embedded Systems

Road Map to Master EMBEDDED SYSTEMS Wanted to be an embedded systems Engineer ? But confused from where to start. Basically there are two types of engineers in all specializations, tester and developer. In the initial stage, everyone has to start their career as a tester. To start your career in embedded systems, here is a …

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i2c

I2C I2C stands for Inter Integrated Circuit. It is one of the most widely used communication protocols used in embedded systems. I2C is most commonly used in a circuit itself hence named inter integrated circuit.  What is I2CIt was invented by philips.It is a two line synchronous communication protocol. Transmitter and receiver sharing a common …

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Edsim51

Introduction to Edsim51 Edsim51 is a widely used simulation software for programming of 8051. This article describes the environment of edsim51 software and a simple program of 8051. To download edsim51 click here When the edsim51 is opened it looks like The above picture has several parts1. Registers and Internal RAM2. Program section3. Port connections4. …

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NEXTPCB PCB Review

What is PCB ?? Generally, every complex electronic circuit is designed on the breadboard. But the circuit can be optimized to a Printed Circuit Board, which consumes less space and provide the organised orientation of the various components in the circuit. The designing and printing of PCBs are very much important. There are many companies …

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Webserver using Ansible

Webserver using Ansible This tutorial is all about the installing of the Ansible in your RHEL 8 and setting up the Apache HTTPD webserver using the Ansible automation. Ansible Ansible is an open-source configuration management tool. One can perform the automation using the Ansible. In this article, we will set up an Apache HTTPD web …

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Comments and Variables in Python

Comments and Variables in Python In this module we are going to discuss about  What are the comments in python? When to use comments? How to write comments? Types of comments Docstring comments Variables in python Variable declaration Multiple Variable assignments in Python Comments in python What are the comments in python? Comments are mainly …

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JLCPCB PCB Review

JLCPCB Review | PCB review What is PCB ? PCB stands for Printed Circuit Board. To make electronic circuits different type of things are used like Bread board, circuit board and the most advanced comes Printed circuit board. Using Bread boards or circuit boards , we cannot put huge circuits on a 10×10 sq.cm chip. …

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