By Mailys Laurent. Motor Wiring. Publised at Friday, January 05th 2018, 09:37:00 AM. 2 wires. Servomechanisms are designed to move to a spot and hold it is position. They are not designed to spin continuously. Used to position print heads in ink jet printers, plotters, scanners. Travel at set speeds. Go to a spot and stop. When stopped and still turned on, will attempt to hold it is position. Forcing it to move in this position can damage the motor. Typically is controlled by a circuit board that counts shadows with an LED and light sensor or has a resistor that changes value depending upon position. Often zooms to one side when powered on to figure out where it is at.
By Dorian Yannic. Electrical Wiring. Published at Tuesday, October 10th 2017, 02:36:22 AM. There are different panelization and de-panelization methods depending on the application of the PCB, thickness, shape, component layout, type of edges, and other factors. The two popular methods are the V-groove panelization and the breakaway tab panelization. Each of these uses a different method to separate the boards from the main array and has its advantages and limitations.
By Claudine Nicolette. Motor Wiring. Published at Saturday, October 07th 2017, 00:23:28 AM. Parts of the motor are often attached to a circuit board. Magnets are attached on the inside of the can that spins with the shaft .. sort of like a spinning umbrella. All brushless motors have a spinning umbrella. Inside the umbrella is a permanent magnet. It looks like one continuous round magnet. However it is more like series of magnets.
By Cyrille Lothaire. Electrical Wiring. Published at Wednesday, October 04th 2017, 00:20:15 AM. As you may have noticed, this is one of those annoying situations in which the pin configuration is the opposite of what you want: the DAC’s input pins move from bit 7 to bit 0 going downward, whereas the MCU’s output pins move from bit 7 to bit 0 going upward. I couldn’t remedy this by re-assigning the microcontroller pins because I wanted the data bits to correspond to the actual bits of the Port 2 register (so that I could write a full byte to the DAC without moving bits around). So I ended up with some awkward routing, but nothing terrible.
By Mailys Laurent. Electrical Wiring. Published at Monday, October 02nd 2017, 21:00:02 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.
By Cyrille Lothaire. Electrical Wiring. Published at Sunday, October 01st 2017, 20:21:48 PM. Reset pin may be used to generate a system reset of the IC. And while a reset may also be externally generated by issuing a command (referred to as a soft reset), to achieve a full reset it is recommended to use the nReset pin (or of course you can also cycle power). On the other hand, if this pin is not to be used then it is recommended that it is either left floating or tied to VDD via a series resistor of value ≥2 kΩ.
By Dorian Yannic. Electrical Wiring. Published at Saturday, September 30th 2017, 19:13:18 PM. Sensirion provides detailed information on both the package outline and the land pattern. In fact, it is recommended, because the IC pad pitch is just 0.5 mm, that only one solder mask opening should be used for all four pads on one side. It is also suggested, when using solder paste printing, that a laser-cut stainless steel stencil with trapezoidal walls and with a stencil thickness of 0.1 or 0.125 mm should be used. See the images below. This information should be quite helpful for a PCB layout design team.
By Adrienne Emmanuel. Car Wiring. Published at Wednesday, September 27th 2017, 18:52:26 PM. It is commonly known as the BENDIX type of solenoid. Such solenoids operate in three stages, the disengaged, partially engaged and engaged. In the disengaged position the drive gear is released and no current is flowing. In the partially engaged stage, current from the starter switch flows through both the pull-in and the hold-in coils.
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