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 buzzers for a quiz program conducted in our area and then I thought it may help someone, so I decided to introduce it … [Read more...] about Electronic Quiz Buzzer Circuit Diagram using PIC Microcontroller
MicroController
Servo Motor Control using Microcontroller PIC16F877A
Servo motors are widely used in robotics and industries for motion control. They can be controlled by PWM signals where the required angle of rotation can be located by a particular PWM signal. So In this article, we’ll see in detail PWM servo control and how servo motor control using pic16f877a is possible. Servo motors have an output shaft that is connected to … [Read more...] about Servo Motor Control using Microcontroller PIC16F877A
Digital Ammeter Using PIC Microcontroller 16F877A and Seven Segments Display (0 to 10A)
An ammeter is an instrument used for electric current measurement in a circuit. In an ammeter, the electric current passing through it is measured in Amperes (A). In the olden times, ammeters were just laboratory instruments based on the earth’s magnetic field. By the late 19th century, little more improved instruments were designed which could be attached in any position and … [Read more...] about Digital Ammeter Using PIC Microcontroller 16F877A and Seven Segments Display (0 to 10A)
Simple Digital GPS Speedometer Using PIC16F877A with LCD Display
A speedometer is a speed measuring gauge used to calculate the speed of motor vehicles. They are mainly of two types- electronics and mechanical. A digital speedometer measures the speed and mileage in vehicles. Normally both types work on the principle of electromagnetism, however, they have a disadvantage in that they cannot be used if there are no wheels on the moving … [Read more...] about Simple Digital GPS Speedometer Using PIC16F877A with LCD Display
SMS Based Device Control using GSM Modem
GSM-based device monitoring and control systems are becoming popular these days. Here I am introducing a system that will make home appliances controlling using mobile phones possible from anywhere in the world. It’s a PIC microcontroller-based system that connects with the GSM module to receive SMS for smart home control. The message is then processed by the … [Read more...] about SMS Based Device Control using GSM Modem