plcLib (Arduino): Structured Text

Previous: Developing SFC-based Applications Contents Next: Advanced Concepts Software developed to use the PLC library may incorporate a wide range of standard program statements, such as variable assignments, calculations and user defined functions, plus a variety of...

plcLib (Arduino): Inputting from a Keypad

plcLib (Arduino): Inputting from a Keypad

Previous: Edge Triggered Pulses Contents Next: Using Time Delays A matrix keypad may be used as an input device, allowing PLC outputs to be turned on or off when particular keys are pressed. To illustrate the concept, a standard membrane keypad will be used, together...

plcLib (Arduino): Inputting from a Keypad

plcLib (Arduino): Inputting from a Keypad

Previous: Edge Triggered Pulses Contents Next: Using Time Delays A matrix keypad may be used as an input device, allowing PLC outputs to be turned on or off when particular keys are pressed. To illustrate the concept, a standard membrane keypad will be used, together...

Circuit Wizard

Circuit Wizard

Circuit Wizard is an electronic design program produced by which offers a range of features likely to be of particular appeal to electronics hobbyists and educational users, including schematic capture, interactive simulation and PCB design. Circuit diagrams may be...

Circuit Wizard

Circuit Wizard

Circuit Wizard is an electronic design program produced by which offers a range of features likely to be of particular appeal to electronics hobbyists and educational users, including schematic capture, interactive simulation and PCB design. Circuit diagrams may be...

Proteus Design Suite

Proteus Design Suite (also known as Proteus VSM or Proteus [version number]) is a powerful electronic design application, available from . It offers a range of design features including: Schematic capture Mixed-mode (analogue and digital circuit) electronic circuit...

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Working with Equations

Algebraic Principles BODMAS Writing and Editing Equations Displaying Greek Characters in Webpages Creating Web-based Equations Related Topics Greek Alphabet Maths Maths Weblinks

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Magnetomotive Force

Magnetomotive Force (MMF) performs a similar role in a magnetic circuit to the electromotive force (EMF) of a battery in a basic electrical circuit, thus acting as the 'prime mover' of an electromagnetic system. The MMF resulting from passing an electrical current...

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Arduino

The project has produced a range of low cost open source computers based mostly around processors, plus an open source Integrated Development Environment (IDE) and programming language based on C/C++. The Arduino Uno is perhaps the most widely known processor board in...

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Hexadecimal Numbering System

The hexadecimal or base-16 numbering system is commonly used as a condensed representation of a binary number, since each hexadecimal digit is equivalent to four binary digits. The main characteristics of the hexadecimal numbering system are that:- each digit varies...

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Raspberry Pi

The Raspberry Pi is a low cost, but fully featured computer, approximately the size of a credit card. Despite its small size, the Model B Raspberry Pi allows connection of standard peripherals including USB keyboard and mouse, HDMI or composite video, sound, and...

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