Each of the output lines of a ‘508A microcontroller can deliver a maximum of 25mA. What does this mean? It means any device connected to the line must take 25mA or less. If it takes more than 25mA a buffer transistor (also called an amplifying transistor) must be used and this will be discussed in a […]
A discussion on the drive-current for the outputs of a PIC12C508A microcontroller Read More »
Description The MAX31865 is an easy-to-use resistance-to-digital converter optimized for platinum resistance temperature detectors (RTDs). An external resistor sets the sensitivity for the RTD being used and a precision delta-sigma ADC converts the ratio of the RTD resistance to the reference resistance into digital form. The MAX31865’s inputs are protected against overvoltage faults as large
Maxim bets its shirt on integration Read More »
Automatic door locks are becoming popular in industry and many companies and industries are using automatic door locks systems for the safety of their rooms. They are popular in banks. Banks use automatic lock systems to keep security of their money stored in a single room. These automatic door lock systems are also used in
Automatic door lock system using 8051(89c51,89c52) microcontroller Read More »
Few months ago Microchip introduced smallest, lowest-cost PIC32 microcontrollers – new PIC32”MX1” and PIC32”MX2” families. PIC32 MX1 and MX2 MCUs include up to 32 KB of Flash and 8 KB of SRAM, two I2S interfaces for audio processing, 10-bit 1 Msps ADC, an 8-bit Parallel Master Port and serial-communications peripherals. MX2 MCUs also have USB
Self-made development board for the 32-bit PIC32MX220F032B Microcontroller Read More »
An automatic temperature control system has the ability to monitor and control the temperature of a specified space without human intervention. The primary purpose is to manage the temperature of a given area based on settings by a user of the system. This project uses a PIC microcontroller to automatically control the temperature of an
Automatic Temperature Control System using PIC Microcontroller – XC8 Read More »
PIC microcontroller was developed in the year 1993 by microchip technology. The term PIC stands for Peripheral Interface Controller. Initially this was developed for supporting PDP computers to control its peripheral devices, and therefore, named as a peripheral interface device. These microcontrollers are very fast and easy to execute a program compared with other microcontrollers.
PIC Microcontroller Architecture and Applications Read More »
Usually high level quiz competitions are very much time-oriented as it becomes significant to determine who has answered first. So here we’ll see how to make a buzzer system that helps to decide the winners. Actually I designed this circuit of buzzer for quiz program conducted in our area and then I thought it may
Electronic Quiz Buzzer Circuit Diagram using PIC Microcontroller Read More »
Microcontroller, as the name suggests, is a small controller. It is like a single-chip computer, which is embedded into other systems to work as a processing and controlling unit. A Microcontroller communicates with other devices like sensors, switches, keypads, etc. Most of the microcontroller-based projects use 8051 microcontroller, and the microcontroller programming is done by
Top 8051, AVR and ARM Microcontroller Based Projects for Electronics Professionals Read More »
Vacuum fluorescent display can be a good alternative to a Liquid-crystal displays in some applications. They have a number of advantages over LCD like extended temperature range and excellent contrast in high brightness environment. The main disadvantage is higher power consumption making them less attractive in battery operated devices. In this post I’ll show you how
Interfacing VFD with PIC Microcontroller Read More »
The term Morse Code generator is an ancient language, used to transmit the data or information in the form of a series of ON/OFF buttons. This language can be directly understood by a skilled observer who knows the Morse code without any special devices. Understanding of this language is very difficult for the people. Because,
Microcontroller based Morse Code Generator with Applications Read More »
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