By Olivier Constance. Car Wiring. Publised at Monday, November 27th 2017, 06:22:09 AM. Cars are filled with stuff that can make or break performance. The engine needs to be fed the proper amounts of air, fuel, and spark. The suspension and brakes must be in tip-top shape. The wheels and tires, transmission, cooling system, gauges—even the seats—must all function properly.
By Olivier Constance. Electrical Wiring. Published at Saturday, October 21st 2017, 10:27:32 AM. It’s always good to be cognizant of trace lengths when you’re laying out a parallel bus, though at moderate frequencies it is nothing to stress about. The propagation time for a signal traveling through a trace is maybe 150 picoseconds/inch. So if you have two traces with a length mismatch of one inch, one signal will arrive 150 ps after the other signal. If your signals are transitioning at a frequency whose corresponding period is much greater than 150 ps, this one-inch mismatch won’t cause problems. Even at 100 MHz (which is pretty fast for a parallel bus), the period is 10 ns, i.e., ~67 times larger than the time-of-arrival discrepancy for a one-inch mismatch.
By Claudine Nicolette. Car Wiring. Published at Friday, October 20th 2017, 09:41:36 AM. Use a 25-65 watt iron for most work, and a 150-250 watt one for large cables, or an 8 oz (225 g) gas-heated iron. Working safelyDisconnect both terminals of the battery before doing any work on wiring other than testing. Whenever you work on the car, watch for any part of the loom coming loose from its clips, for there is a risk of it getting trapped or burned. Always replace wiring in its clips.
By Adrienne Emmanuel. Motor Wiring. Published at Tuesday, October 17th 2017, 09:01:49 AM. Outrunners and inrunners both use the same ESC. This ESC is different than that of the brushed DC motor. There are three wires going to the motor instead of two. The wiring between the ESC and the Arduino consists if the same 5 wires. The three wires give the brushless motors more pulling power. Understanding this helps understand stepper motors below.
By Fleurette Nina. Electrical Wiring. Published at Thursday, October 12th 2017, 05:54:44 AM. Panelization is the arranging of arrays of multiple PCBs onto a single substrate that fits in the standard processing machine. A panel may hold multiple boards with similar or different sizes and shapes. This method is faster and less costly compared to the fixtures, which require a custom carrier for every new PCB design.
By Dorian Yannic. Electrical Wiring. Published at Tuesday, October 10th 2017, 02:36:22 AM. The fixture should support the board and prevent distortion as the board goes through the printing, component placement, and reflow processes. Its construction should ensure adequate protection for the bottom side components during the double-sided reflow process.
By Claudine Nicolette. Motor Wiring. Published at Saturday, October 07th 2017, 00:23:28 AM. Servo motors are usually mounted on a circuit board. Some have two wires traveling to the circuit board much like between a DC motor and ESC. Attached to the board are wires for motor power and again three wires going to the arduino, the same three wires mentioned above.
By Cyrille Lothaire. Electrical Wiring. Published at Wednesday, October 04th 2017, 00:20:15 AM. SMT fixtures are rigid PCB carriers that allow manufacturers to load single or multiple irregular boards, and then take them through the standard processing machines. This makes it possible to carry out tasks such as automatic mounting of electronic components, infra-red reflow soldering, wave soldering, automatic testing, etc.
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