By Dorian Yannic. Car Wiring. Publised at Monday, January 08th 2018, 17:17:00 PM. The damage caused by overheated wires is easy to find; but if only a single wire has overheated and melted at some point, you may have to use a circuit tester to find the break. If the damage is in an open run of wiring, you may be able to mend separate wires without taking out a section of the loom. If it is in any part of the covered sections, you need to remove at least part of the wiring loom.
By Mailys Laurent. Motor Wiring. Published at Wednesday, January 10th 2018, 10:33:59 AM. A common type of servo provides position control. Commonly, servos are electrical, hydraulic or pneumatic. They operate on the principle of negative feedback, where the control input is compared to the actual position of the mechanical system as measured by some sort of transducer at the output. Any difference between the actual and wanted values (an "error signal") is amplified (and converted) and used to drive the system in the direction necessary to reduce or eliminate the error. This procedure is one widely used application of control theory. Typical servos can give a rotary (angular) or linear output.
By Adrienne Emmanuel. Electrical Wiring. Published at Wednesday, January 10th 2018, 09:27:23 AM. This PCB, like almost all of my PCBs, is a four-layer board. In my opinion, it is not wise to restrict yourself to two layers unless you’re dealing with a very simple circuit or you really need to cut costs. The four-layer arrangement is beneficial in terms of routing and performance: routing, because via connections to internal planes almost completely eliminate power and ground traces; and performance, because the internal planes allow for low-resistance, low-inductance power and ground connections. The extra top-layer and bottom-layer real estate opened up by all the internal-plane connections come in very handy when you need to provide a generous copper area for improved thermal performance (for example, to make sure that your LDO or your motor driver doesn’t overheat and enter thermal shutdown).
By Claudine Nicolette. Electrical Wiring. Published at Wednesday, January 10th 2018, 05:08:28 AM. Sensirion provides detailed information on both the package outline and the land pattern. In fact, it is recommended, because the IC pad pitch is just 0.5 mm, that only one solder mask opening should be used for all four pads on one side. It is also suggested, when using solder paste printing, that a laser-cut stainless steel stencil with trapezoidal walls and with a stencil thickness of 0.1 or 0.125 mm should be used. See the images below. This information should be quite helpful for a PCB layout design team.
By Fleurette Nina. Car Wiring. Published at Tuesday, January 09th 2018, 21:34:30 PM. Relays are devices that utilize a central iron core fitted closely to the inside of a coil of wire. When the wire is energized the iron core will be drawn down the length of the coil, the direction dependent upon the direction of current flow. If the relays iron core is fitted with large, high current-carrying contacts it can be used as a high-current switch. Relays are used throughout cars for horns, electric fans, air conditioning clutches, etc. and the most important one is the starter solenoid.
By Olivier Constance. Motor Wiring. Published at Tuesday, January 09th 2018, 20:50:54 PM. A micro controller or stepper motor controller can be used to activate the drive transistors in the right order, and this ease of operation makes unipolar motors popular with hobbyists; they are probably the cheapest way to get precise angular movements. For the experimenter, the windings can be identified by touching the terminal wires together in PM motors. If the terminals of a coil are connected, the shaft becomes harder to turn.
By Dorian Yannic. Car Wiring. Published at Tuesday, January 09th 2018, 19:40:09 PM. With all those things to worry about, many enthusiasts overlook the electrical wiring system. A lousy wiring job will keep your electrical accessories from operating at full potential—and that means subpar performance. Many people are intimidated by the prospect of wiring a vehicle. But a proper wiring job doesn’t have to be a scary task—we’ve put together a few tips to help make the job a little bit smoother.
By Cyrille Lothaire. Car Wiring. Published at Tuesday, January 09th 2018, 19:31:59 PM. The driven "or friction" plate runs on a splined input shaft, through which the power is transmitted to the gearbox. The plate has friction linings, similar to brake linings, on both its faces. This allows the drive to be taken up smoothly when the clutch is engaged. When the clutch is disengaged "pedal depressed", an arm pushes a release bearing against the centre of the diaphragm spring which releases the clamping pressure. The outer part of the pressure plate, which has a large friction surface, then no longer clamps the driven plate to the flywheel, so the transmission of power is interrupted and gears can be changed.
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