By Mailys Laurent. Car Wiring. Publised at Saturday, January 06th 2018, 04:31:20 AM. 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 Fleurette Nina. Car Wiring. Publised at Wednesday, August 30th 2017, 14:23:30 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.
By Fleurette Nina. Motor Wiring. Published at Sunday, September 10th 2017, 11:18:59 AM. Brushless outrunners are always built on a circuit board. This makes them cheaper. The circuit board for this CD motor has no electronics on it. A ribbon cable attaches 11 wires to another controller circuit board. But often the controller is built onto the same circuit board. The circuit boards interface with a controller in two ways.
By Cyrille Lothaire. Motor Wiring. Published at Saturday, September 09th 2017, 08:13:56 AM. The circular arrangement of electromagnets is divided into groups, each group called a phase, and there is an equal number of electromagnets per group. The number of groups is chosen by the designer of the stepper motor. The electromagnets of each group are interleaved with the electromagnets of other groups to form a uniform pattern of arrangement. For example, if the stepper motor has two groups identified as A or B, and ten electromagnets in total, then the grouping pattern would be ABABABABAB.
By Cyrille Lothaire. Electrical Wiring. Published at Wednesday, September 06th 2017, 04:45:11 AM. I always prefer to maintain a logical flow of signals and functionality in my PCB layouts. I think that this approach results in an easier design process and a better board. The AWG layout progresses from left to right: from power input and communication input/output, to the power supply circuitry, to the processor, to the DAC (which is controlled by the processor and constitutes the board’s transition from digital to analog), to the analog signal-conditioning circuitry, and finally to the output connector. Parts that don’t have a specific position in the functional flow—such as the oscillator (U4), the DAC’s passives (C16, R5, etc.), and the voltage reference (U3)—are arranged near the components that they support.
By Mailys Laurent. Electrical Wiring. Published at Tuesday, September 05th 2017, 03:51:19 AM. You can also see that I’ve made it very easy for heat to move away from the regulator (U1) and into the ambient environment or into other portions of the PCB. U1’s thermal tab is connected to a large copper pour, and this copper pour is shot through with vias that conduct heat down to the internal ground plane. If I were really worried about thermal issues I could also connect these vias to a copper pour on the bottom side of the board, but in this case, it would have been total overkill.
By Dorian Yannic. Electrical Wiring. Published at Saturday, September 02nd 2017, 03:47:50 AM. In a demanding application, we may not have the time to continuously check the pointers to see if they have reached the end of the buffer and wrap them back to the beginning of the buffer when necessary. As a result, a DSP processor uses dedicated hardware to provide some fast circular buffers.This hardware implementation automatically checks the status of the pointers and updates them accordingly.
By Olivier Constance. Electrical Wiring. Published at Thursday, August 31st 2017, 15:24:12 PM. Processing irregular and fragile PCBs in standard assembly machines is often a challenge. Due to their non-standard dimensions, the oddly shaped, thin, or fragile boards do not fit properly in the reflow, component placement, or other standard processing machines. Lack of adequate support and alignment may strain, bend or damage the fragile boards as they go through the processing system. In addition, this may impact the accuracy of the process.
By Fleurette Nina. Car Wiring. Published at Wednesday, August 30th 2017, 14:23:30 PM. This system uses a metal wire embedded underneath the road as a guide for the battery powered vehicles. This wire is flexible enough to be used on straights, curves and hills. The vehicles are fitted with a motorised chassis and rechargeable battery which pushes the vehicle forwards via a small motor and gear arrangement, following the guide wire. The magnet offset to one side on the chassis is what activates the various additional modules (more on those later).
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