plcLib (Arduino): Instruction List Programming

plcLib (Arduino): Instruction List Programming

Previous: Comparing Analogue Values Contents Next: Function Block Diagrams Instruction list programming is a text based language, used to describe PLC programs, and is one of five methods specified by international standard IEC 61131-3, with the others being ladder...

Electronics Design Software

Electronics Design Software

A wide range of software is available to design and simulate electrical and electronic circuits, ranging from free Java-based circuit simulation applets, to complex Electronic Computer Aided Design (ECAD) programs. Some applications also offer the ability to develop...

Electronics Design Software

Electronics Design Software

A wide range of software is available to design and simulate electrical and electronic circuits, ranging from free Java-based circuit simulation applets, to complex Electronic Computer Aided Design (ECAD) programs. Some applications also offer the ability to develop...

plcLib (Arduino): Counting and Counters

plcLib (Arduino): Counting and Counters

Previous: Producing Repeating Waveforms Contents Next: Shifting and Rotating Binary Data Version 0.8 of the software introduces counters, which can activate an output once a predetermined number of events have occurred. A counter 'object' may be configured to count...

plcLib (Arduino): Counting and Counters

plcLib (Arduino): Counting and Counters

Previous: Producing Repeating Waveforms Contents Next: Shifting and Rotating Binary Data Version 0.8 of the software introduces counters, which can activate an output once a predetermined number of events have occurred. A counter 'object' may be configured to count...

Voltmeter

A voltmeter is an electronic test instrument which measures the electrical potential difference or voltage across the input terminals. A voltmeter must be connected in parallel with the circuit being tested, unlike an ammeter which is connected in series. Voltmeters...

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Basic Electrical Concepts

Basic Electrical Terms and Units Current Resistance Voltage Power Comsumed in a Resistor Measuring Instruments Ammeter Ohmmeter Voltmeter Related Topics Terms and Units SI Prefixes Electrical Electrical and Electronic Weblinks

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Ammeter

An ammeter is a device which measures the flow of electrical current. The current may be either continuous (DC) or alternating (AC) and is measured in amperes (A), microamps (mA) or milliamps (µA). Unlike a voltmeter, an ammeter is normally inserted in series...

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Magnetic Compass

A magnetic compass is a navigational device which uses a pivoted permanent magnet to point towards Magnetic North. A much smaller plotting compass is sometimes used to plot the direction of lines of magnetic flux around a magnet. Strange but True: The North-pointing...

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chipKIT (Digilent)

Electronics manufacturer has produced the chipKIT range of Arduino-compatible circuit boards based on high performance 32-bit microcontroller technology. Three processor boards are available, plus a number of add-on boards, or shields. The chipKIT Uno32 and the more...

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Resistance

Electrical resistance is the opposition by a material to the flow of electrical current when a potential difference is applied. A resistor is an electronic component designed to have a particular resistance value. The SI unit of resistance is the ohm. The unit is...

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