This is an automatic quiz buzzer system in which if more than one team presses the buzzer, the accurate delay time is taken into account and the number is displayed. Here is the simple circuit diagram ...

This post explains about the design, development and operation of the Celsius scale thermometer using LM35 and microcontroller AT89C51. The circuit works on the principle of analog to digital ...

In this paper, the authors deal with a microcontroller based solar panel tracking system. Solar tracking enables more energy to be generated because the solar panel is always able to maintain a ...

This file type includes high resolution graphics and schematics when applicable. This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors ...