By Olivier Constance. Car Wiring. Publised at Thursday, December 28th 2017, 10:09:08 AM. Joins in individual wires are usually made with crimp connectors. The colour on the sleeve of a connector denotes the size of wire it will take. The bared ends of each wire are pushed into opposite ends of the metal-lined plastic sleeve, and squeezed with crimping pliers. There are multiple sleeves or other special connectors where a wire branches off.
By Adrienne Emmanuel. Electrical Wiring. Published at Friday, December 29th 2017, 20:12:23 PM. Depanelization is the process of separating the individual boards from the main array and usually depends on the panelization method applied. The choice depends on the clearance to provide at the edges of the PCB, and the presence of sensitive SMT devices, or hanging connectors near the edges. There are automatic methods, such as the laser cutting or depaneling router, as well as manual methods that involve breaking the tabs using hands or other tools.
By Dorian Yannic. Electrical Wiring. Published at Friday, December 29th 2017, 15:30:43 PM. The decoupling capacitors (C4, C5, C6, C7, C9, C10, C11) are arranged around the perimeter of the chip, very close to their respective power pins and to the vias that connect the caps to the internal planes. Notice how the smaller cap is always closer to the power pin; this is because we rely more on the lower-value capacitor for high-frequency bypassing, and thus the first priority is minimizing the inductance and resistance between the smaller cap and the pin.
By Mailys Laurent. Electrical Wiring. Published at Friday, December 29th 2017, 09:43:55 AM. Splices may be used within 30cm of a termination device when attaching to the pigtail spare lead of a potted termination device, to splice multiple wires to a single wire, or to adjust the wire sizes so that they are compatible with the contact crimp barrel sizes.
By Fleurette Nina. Motor Wiring. Published at Friday, December 29th 2017, 08:52:17 AM. The two wires of the brushed dc motor can be thought of as forward and reverse. The three wires of brushless can be thought of as 1, 2 and 3. Going forward would be this sequence 1-2, 2-3, 3-1, 1-2, etc. Going backwards would be 1-3, 3-2, 2-1, 1-3, etc. What this means is that one third of the motor is helping maintain momentum while another third is pulling the motor in a new direction.
By Dorian Yannic. Motor Wiring. Published at Friday, December 29th 2017, 07:22:49 AM. The motor can be directly pulsed by the arduino. The arduino can also supply power to the motor, but normally this is only a good idea for demonstration purposes. The arduino has a very weak power supply, and attempting to power a motor through it can destroy the arduino. Furthermore, the arduino may not be able to supply the exact correct maximum voltage. For this reason, an ESC is placed between the arduino and the motor.
By Fleurette Nina. Electrical Wiring. Published at Friday, December 29th 2017, 07:16:00 AM. Automatic machines translate to added costs and some such as the depaneling router creates vibrations, noise, and vast amounts of dust. In addition, you need to hold the board firmly. Although laser cutting is precise and has less mechanical stress, it is capital intensive and only applicable to board thicknesses of around 1 mm.
By Cyrille Lothaire. Car Wiring. Published at Friday, December 29th 2017, 05:12:16 AM. Push a screwdriver blade through the grommet carefully to enlarge it for the new cables, taking care not to damage insulation on existing wires. If you pass a cable through a new hole, fit the hole with a grommet. To pass wires up door pillars or behind trim, tape them to a piece of fairly stiff wire, poke it carefully behind the trim or up the pillar, and pull it through at the far end, bringing the wire with it.
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