By Cyrielle Marjolaine. Diagram. Publised at Saturday, December 23rd 2017, 02:43:16 AM. Variable resistors and potentiometers each augment the standard resistor symbol with an arrow. The variable resistor remains a two-terminal device, so the arrow is just laid diagonally across the middle. A potentiometer is a three-terminal device, so the arrow becomes the third terminal (the wiper).
By Cyrielle Marjolaine. Diagram. Publised at Wednesday, January 10th 2018, 00:54:54 AM. The slide switches are also known as “single throw-double pole” (STDP) switches, because only one switch (or throw) exists, but two positions (or poles) are available (a pole is an electrical contact to which the switch can make contact). These switches can be set to output either Vdd (when the actuator is closest to the board’s edge) or GND. The push button switches are also known as “momentary” contact buttons, because they only make contact while they are actively being pressed – they output a GND at rest, and a Vdd only when they are being pressed. The figure below shows typically pushbutton and slide switch circuits used on Digilent boards.
By Alix Loane. Circuit. Published at Thursday, December 28th 2017, 02:30:59 AM. When multiple components are connected in series, each component must carry the same current. When multiple components are connected in parallel, the total current is the sum of the currents flowing through each individual component. These statements are generalized as Kirchoff’s Current Law (KCL), which states that the sum of currents entering and exiting a node must be zero.
By Madeleine Catherine. Car Wiring. Published at Thursday, December 28th 2017, 00:43:47 AM. t is not a good idea to use push-on terminals. These can loosen and come off. If your gauge or other electrical components have those types of male terminals, you can drill a small hole in the blade and solder your wire to the terminal, then use shrink wrap to cover the connection. Remember to slide the shrink wrap over the wire before soldering.
By Sasha Sara. Car Wiring. Published at Thursday, December 28th 2017, 00:39:16 AM. Plan the route of the wires. There are some wires that should not come in close proximity to other wires. The radio wires must be kept clear of the ignition wires to reduce interference.
By Lydie Honorine. Car Wiring. Published at Wednesday, December 27th 2017, 23:39:45 PM. Modern cars often need room for many wires in confined spaces. Some manufacturers now use printed circuits instead of bundles of wires, particularly at the rear of the instrument panel. Printed circuits are plastic sheets on which copper tracks have been "printed". Components are plugged directly into the tracks. A few modern cars have flexible printed circuits. The copper tracks are printed in ribbons of flexible plastic, which replace the whole wiring system.
By Lydie Honorine. Power. Published at Wednesday, December 27th 2017, 20:45:16 PM. The maximum current that a linear regulator can supply to a load is specified on the data sheet. Many regulators (and most LDO regulators) specify only a single value of maximum current. This value is guaranteed for any input/output voltage within the maximum ratings for the part.
By Valentine Sybille. Circuit. Published at Wednesday, December 27th 2017, 18:06:37 PM. Electronic signals are represented either by voltage or current. The timedependent characteristics of voltage or current signals can take a number of forms including DC, sinusoidal (also known as AC), square wave, linear ramps, and pulsewidth modulated signals. Sinusoidal signals are perhaps the most important signal forms since once the circuit response to sinusoidal signals are known, the result can be generalized to predict how the circuit will respond to a much greater variety of signals using the mathematical tools of Fourier and Laplace transforms.
By Bertille Solange. Circuit. Published at Wednesday, December 27th 2017, 15:24:49 PM. Many different types of components and devices can be found in modern circuits, including resistors, capacitors, and inductors, semiconductor devices like diodes, transistors, and integrated circuits, transducers like microphones, light sensors and motions sensors, actuators like motors and solenoids, and various other devices like heating and lighting elements. Devices in a circuit are connected to one another by means of electrical conductors, or wires. These wires can move electric currents between various points in a circuit. Once a wire connects two or more devices, the wire and all attached device connectors are said to form a single circuit node or net. Any electrical activity on a given net is communicated to all devices attached to the net. Certain nets provide electric power to devices, and other nets carry information between devices. Nets that carry information are called signals, and signals transport information encoded as voltage levels around a circuit. Signal nets typically use smaller conductors, and transport very small currents. Nets that carry power are called supply rails (or just supplies) and supply rails transport electric power around a circuit. Power nets typically use much larger conductors that signal nets, because they must transport larger currents.
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