If you need to return an item, simply bring it back to any Micro Center store for a full refund or exchange. All other products may be returned within 30 days of purchase. Using the software may require the use of a computer or other device that must meet minimum system requirements. It is recommended that you familiarize yourself with the system requirements before making your purchase. Software system requirements are typically found on the Product information specification page. Aerial Drones Micro Center is happy to honor its customary day return policy for Aerial Drone returns due to product defect or customer dissatisfaction.
Unfortunately, we cannot accept returns with damage due to pilot error. As of December 21, all drones, regardless of purchase date, between 0. When returning a wireless phone or device with a plan, you are responsible for ensuring that your service is cancelled with the carrier. USB cables and small USB devices are held in place by the gripping force from the receptacle without need of the screws, clips, or thumb-turns other connectors have required.
The force needed to make or break a connection is modest, allowing connections to be made in awkward circumstances i. The standard connectors were deliberately intended to enforce the directed topology of a USB network: type A connectors on host devices that supply power and type B connectors on target devices that receive power. This prevents users from accidentally connecting two USB power supplies to each other, which could lead to dangerously high currents, circuit failures, or even fire.
USB does not support cyclical networks and the standard connectors from incompatible USB devices are themselves incompatible. Unlike other communications systems e. The standard connectors were designed to be robust. Many previous connector designs were fragile, specifying embedded component pins or other delicate parts which proved vulnerable to bending or breakage, even with the application of modest force. The electrical contacts in a USB connector are protected by an adjacent plastic tongue, and the entire connecting assembly is usually protected by an enclosing metal sheath.
The connector construction always ensures that the external sheath on the plug makes contact with its counterpart in the receptacle before any of the four connectors within make electrical contact. The external metallic sheath is typically connected to system ground, thus dissipating damaging static charges. This enclosure design also provides a degree of protection from electromagnetic interference to the USB signal while it travels through the mated connector pair the only location when the otherwise twisted data pair travels in parallel.
In addition, because of the required sizes of the power and common connections, they are made after the system ground but before the data connections. This type of staged make-break timing allows for electrically safe hot-swapping. The newer Micro-USB receptacles are designed for up to 10, cycles of insertion and removal between the receptacle and plug, compared to 1, for the standard USB and 5, for the Mini-USB receptacle.
This is accomplished by adding a locking device and by moving the leaf-spring connector from the jack to the plug, so that the most-stressed part is on the cable side of the connection. This change was made so that the connector on the less expensive cable would bear the most wear instead of the more expensive micro-USB device. The USB standard specifies relatively loose tolerances for compliant USB connectors to minimize physical incompatibilities in connectors from different vendors.
To address a weakness present in some other connector standards, the USB specification also defines limits to the size of a connecting device in the area around its plug. This was done to prevent a device from blocking adjacent ports due to the size of the cable strain relief mechanism usually molding integral with the cable outer insulation at the connector.
Compliant devices must either fit within the size restrictions or support a compliant extension cable which does.
Charging other devices
Two-way communication is also possible. In USB 3. In previous USB versions i. In general, cables have only plugs very few have a receptacle on one end, although extension cables with a standard A plug and jack are sold , and hosts and devices have only receptacles. Hosts almost universally have type-A receptacles, and devices one or another type-B variety. Type-A plugs mate only with type-A receptacles, and type-B with type-B; they are deliberately physically incompatible.
However, an extension to USB standard specification called USB On-The-Go allows a single port to act as either a host or a device—chosen by which end of the cable plugs into the receptacle on the unit. Even after the cable is hooked up and the units are communicating, the two units may "swap" ends under program control. This capability is meant for units such as PDAs in which the USB link might connect to a PC's host port as a device in one instance, yet connect as a host itself to a keyboard and mouse device in another instance.
However, USB 3. There are several types of USB connectors, including some that have been added while the specification progressed. The first engineering change notice to the USB 2. The data connectors in the Standard-A plug are actually recessed in the plug as compared to the outside power connectors. This permits the power to connect first which prevents data errors by allowing the device to power up first and then transfer the data. Some devices will operate in different modes depending on whether the data connection is made. This difference in connection can be exploited by inserting the connector only partially.
For example, some battery-powered MP3 players switch into file transfer mode and cannot play MP3 files while a USB plug is fully inserted, but can be operated in MP3 playback mode using USB power by inserting the plug only part way so that the power slots make contact while the data slots do not. This enables those devices to be operated in MP3 playback mode while getting power from the cable.
This plug is frequently seen on cables that are permanently attached to a device, such as one connecting a keyboard or mouse to the computer via usb connection. USB connections eventually wear out as the connection loosens through repeated plugging and unplugging. A Standard-B plug—which has a square shape with bevelled exterior corners—typically plugs into an "upstream receptacle" on a device that uses a removable cable, e. A Type B plug delivers power in addition to carrying data. On some devices, the Type B receptacle has no data connections, being used solely for accepting power from the upstream device.
Various connectors have been used for smaller devices such as PDAs, mobile phones or digital cameras. The micro-USB plugs have a similar width and approximately half the thickness, enabling their integration into thinner portable devices.
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The mini-A connector is 6. The mini-B connector is 6. The thinner micro connectors are intended to replace the Mini plugs in new devices including smartphones and personal digital assistants. The Micro plug design is rated for at least 10, connect-disconnect cycles which is significantly more than the Mini plug design. On 29 June , following a request from the European Commission and in close co-operation with the Commission services, major producers of mobile phones have agreed in a Memorandum of Understanding "MoU" to harmonise chargers for data-enabled mobile phones sold in the European Union.
Industry commits to provide charger compatibility on the basis of the Micro-USB connector.
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Consumers will be able to purchase mobile phones without a charger, thus logically reducing their cost. In addition, on 22 October the International Telecommunication Union ITU has also announced that it had embraced micro-USB as the Universal Charger Solution its "energy-efficient one-charger-fits-all new mobile phone solution", and added: "Based on the Micro-USB interface, UCS chargers will also include a 4-star or higher efficiency rating—up to three times more energy-efficient than an unrated charger". The OTG device with the A-plug inserted is called the A-device and is responsible for powering the USB interface when required and by default assumes the role of host.
The OTG device with the B-plug inserted is called the B-device and by default assumes the role of peripheral. An OTG device with no plug inserted defaults to acting as a B-device. If an application on the B-device requires the role of host, then the HNP protocol is used to temporarily transfer the host role to the B-device. In addition to the above cable assemblies comprising two plugs, an "adapter" cable with a Micro-A plug and a Standard-A receptacle is compliant with USB specifications. The Mini-A connector has been deprecated: there will be no new certification of assemblies using Mini-A connector.
The data cables for USB 1. This is to support the new SuperSpeed data transmission. The USB 1. Whereas USB 2. The specification provides for no more than 5. For USB 3.
SparkFun USB to Serial Breakout - FT232RL
There are two types of devices: low-power and high-power. A low-power device draws at most 1 unit load, with minimum operating voltage of 4. A high-power device draws the maximum number of unit loads permitted by the standard. Every device functions initially as low-power but the device may request high-power and will get it if the power is available on the providing bus.
Such devices usually come with Y-shaped cable that has two USB connectors to be plugged into a computer. With such a cable, a device can draw power from two USB ports simultaneously. A bus-powered hub initializes itself at 1 unit load and transitions to maximum unit loads after it completes hub configuration.
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Any device connected to the hub will draw 1 unit load regardless of the current draw of devices connected to other ports of the hub i. A self-powered hub will supply maximum supported unit loads to any device connected to it. In addition, the V BUS will present 1 unit load upstream for communication if parts of the Hub are powered down. A host or hub Charging Downstream Port can supply a maximum of 1.
A Dedicated Charging Port can supply a maximum of 1. A portable device can draw up to 1.
The short disables data transfer, but allows devices to detect the Dedicated Charging Port and allows very simple, high current chargers to be manufactured. Sleep-and-charge USB ports can be used to charge electronic devices even when the computer is switched off. Normally when a computer is powered off the USB ports are powered down.
This prevents phones and other devices from being able to charge unless the computer is powered on. Sleep-and-charge USB ports remain powered even when the computer is off. On laptops, charging devices from the USB port when it is not being powered from AC will drain the laptop battery faster. Desktop machines need to remain plugged into AC power for Sleep-and-charge to work.
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