By Fleurette Nina. Car Wiring. Publised at Tuesday, January 09th 2018, 09:25:53 AM. 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 France Barbara. Electrical Wiring. Published at Sunday, November 12th 2017, 22:18:25 PM. Care should be taken when depaneling the perforated-tab PCB array; otherwise, an incorrect method will splinter or tear the solder-mask or active surface layer. The ideal breakout method should not cause any damage to the board or transfer stress from the PCB surface to the components.
By Dorian Yannic. Electrical Wiring. Published at Saturday, November 11th 2017, 11:56:59 AM. PCBs with SMT on both sides and those with mixed TH and SMTs may start to flex and bow when in the reflow oven or selective soldering machine. For this reason, the maximum size for this type of board is usually smaller than the single-sided. Breaking out the boards manually can stress the board and components near the edges, the solder joints, or leave out rough stubs on the edges
By Dorian Yannic. Motor Wiring. Published at Friday, November 10th 2017, 03:07:38 AM. Variable speed motors do not necessary have the hall effect probes. The electronics in the ESC pulses the motor to tell it is initial direction and some other feed back system humans using RC or an autopilot reading accelerometers or gyros adjusts the speed.
By France Barbara. Electrical Wiring. Published at Tuesday, November 07th 2017, 00:10:46 AM. Care should be taken when depaneling the perforated-tab PCB array; otherwise, an incorrect method will splinter or tear the solder-mask or active surface layer. The ideal breakout method should not cause any damage to the board or transfer stress from the PCB surface to the components.
By Gaspard Magalie. Motor Wiring. Published at Monday, November 06th 2017, 04:29:01 AM. After the retaining ring is removed, the entire assembly that spins can be removed. There may be some resistance that feels like removing magnets from each other. Underneath the cup of all outrunner brushless motors is a series of coils. On some motors, between the coils, are hall effect probes. Hall effect probes detect the spinning magnetic field and provide a pulse out of the brushless motors to the electronics. From this pulse the electronics can precisely control the speed of the motor
By Olivier Constance. Electrical Wiring. Published at Thursday, November 02nd 2017, 20:16:28 PM. 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 Dorian Yannic. Electrical Wiring. Published at Tuesday, October 31st 2017, 22:07:54 PM. To overcome these challenges, engineers may use SMT fixtures or the panelization techniques. Each of the two methods provides a carrier with standard dimensions and provisions for fitting, securing and supporting the irregular boards.
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