Matrix Keypad – Introduction Most of the applications of embedded systems require keypads to take the user inputs, especially in the case where an application requires more keys. With simple architecture and easy interfacing procedure, matrix keypads are replacing normal push buttons by offering more inputs to the user with the lesser I/O pins. As … Read more
Hi Guys, In our previous tutorial, we have seen how to interface the Ultrasonic sensor with 8051. Today we will see GSM interfacing with 8051. Before that please take a look at GSM Module Introduction. And you should know the Serial Communication of 8051. I’ve posted that also. Please go through that (Serial Communication). GSM … Read more
Description GSM/GPRS Modem-RS232 is built with Dual Band GSM/GPRS engine- SIM900A which works on frequencies 900/ 1800 MHz. The Modem is coming with an RS232 interface, which allows you to connect the PC as well as the microcontroller with RS232 Chip(MAX232). The baud rate is configurable from 9600-115200 through AT command. The GSM/GPRS Modem is … Read more
We have seen Keypad interfacing with 8051, in our previous tutorial. In this tutorial, we will interface Temperature Sensor (LM35) with 8051 using ADC0804. ADC0804 interfacing with 8051. ADC0804 is an 8-bit ADC. ADC0804 interfacing with 8051 Introduction Analog to digital converters find huge applications as an intermediate device to convert the signals from analog … Read more
In this post, we are going to discuss the 8051 Interrupts Tutorial. Before that, you should know about the Interrupt basics. For Basics, you can go here. Let’s start… 8051 Interrupts Tutorial There are five interrupt sources for the 8051. Since the main RESET input can also be considered as an interrupt, six interrupts in … Read more
In this tutorial, we are going to see what is an interrupt in OS and how it is working? You can also read RTOS basics -1, RTOS basics – 2, 8051 Interrupts, and interrupts in Linux kernel. Interrupt – Introduction What is an Interrupt in os? Interrupt means stop the continuous progress of (an activity … Read more
This article is the continuation of the Series on the C programming tutorial and carries the discussion on C language programming and its implementation. It aims to provide easy and practical examples for understanding the C program. In our last article, we have seen the Enum in C programming. In this tutorial, we are going to see Typecasting in C programming … Read more
This article is the continuation of the Series on the C programming tutorial and carries the discussion on C language programming and its implementation. It aims to provide easy and practical examples for understanding the C program. In our last article, we have seen the Basic concepts of pointers in C programming. This is the continuation of the last tutorial. … Read more
This article is the continuation of the Series on the C programming tutorial and carries the discussion on C language programming and its implementation. It aims to provide easy and practical examples for understanding the C program. In our last article, we have seen the Union in C programming. In this tutorial, we are going to see the pointers in … Read more
In this tutorial, we will see the Basics of Serial Communication Basics Tutorial. You can also read the PIC16F877A USART tutorial, RF module interfacing with LPC2148, 8051 UART tutorial, RTOS Basics, and LPC2148 Serial communication. Serial Communication Basics Tutorial Introduction What is mean by communication? Exchanging the data between two systems is termed as communication. … Read more
