2 Zones weekly digital timer

 Figure 1 This document describes the design and implementation of a digital weekly timer based on AVR microcontroller. PRODUCT OVERVIEW This digital / microcontroller based indoor digital timer will turn the electrical devises of maximum two zones ON/OFF automatically. Simple … Continue reading

SIEMENS SIMATIC S7-300 family of CPUs

SIMATIC S7-300 CPUs are used for innovative system solutions in manufacturing technology, especially for automobile industry, mechanical engineering in general and especially for special machine building and serial production of machines at plastics processing etc. The SIPLUS extreme devices can be used … Continue reading

Syllabus of an online PLC tutorial course

A PLC or a Programmable Logic Controller, is a programmable controller which is considered as a member of computer family is mainly designed to be used in an industrial field to sense different incoming signals, process them (or make decision) and issue commands based on the special software program in its memory. This course is designed to supply you with basic information on the functions and configurations of PLCs. Continue reading

Basics of Electricity

Voltmeter: A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter. Continue reading