By Cyrille Lothaire. Car Wiring. Publised at Saturday, January 06th 2018, 06:48:56 AM. The electrical wiring in a car is a system of colour-coded wires called the loom. Where several wires run side by side they are bound together with insulating tape or plastic sleeving.
By Fleurette Nina. Motor Wiring. Published at Thursday, December 28th 2017, 05:54:53 AM. One way to distinguish the center tap (common wire) from a coil-end wire is by measuring the resistance. Resistance between common wire and coil-end wire is always half of the resistance between coil-end wires. This is because there is twice the length of coil between the ends and only half from center (common wire) to the end. A quick way to determine if the stepper motor is working is to short circuit every two pairs and try turning the shaft. Whenever a higher than normal resistance is felt, it indicates that the circuit to the particular winding is closed and that the phase is working.
By Fleurette Nina. Electrical Wiring. Published at Thursday, December 28th 2017, 05:52:53 AM. Typical fixtures have high-temperature resistance, good mechanical strength for precision machining, and good abrasion and chemical resistance to withstand the pallet cleaners and soluble fluxes.
By Mailys Laurent. Electrical Wiring. Published at Thursday, December 28th 2017, 05:20:31 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 Cyrille Lothaire. Electrical Wiring. Published at Thursday, December 28th 2017, 05:00:05 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 Adrienne Emmanuel. Car Wiring. Published at Thursday, December 28th 2017, 03:09:28 AM. Push the wire into the connector so that the strands just protrude from the round end. Grip the cable, connector uppermost, in a vice or self-locking pliers, so that the connector rests on top of the vice and cannot slide down the wire when soldering. Inside a bullet connector. Apply solder on the top of the connector, and let it melt and run down inside. Trim off the protruding strands with wire cutters.
By Claudine Nicolette. Electrical Wiring. Published at Thursday, December 28th 2017, 00:08:10 AM. Although this device uses an I2C interface with communication speeds up to 1 MHz, two of the eight pins are dedicated to Alert (pin3) and nReset (pin 6). The Alert pin is intended to be connected, if desired, to an interrupt pin on a microcontroller. According to section 3.5 (ALERT Pin) of the datasheet, "The output of the pin depends on the value of the temperature reading relative to programmable limits," and its function is "explained in a separate application note.
By Dorian Yannic. Electrical Wiring. Published at Wednesday, December 27th 2017, 23:07:44 PM. Manual removal of the tabs depends on the design and thickness of the board. Extra care is required since using some tools such as the hook-shaped blade to break the solid tabs between the boards can be challenging and inefficient. For example, if the blade rotates within the small clearance between the boards, it can easily take a bite out of the useful part of the PCB. Also, taping the blade-cutting edge leaves a small part of the tab protruding from the board.
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