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Jac Londe

Android PC - 0 views

ewingwireless.en.alibaba.com/...layer_Box_Full_1080P_HDMI.html

Android PC mobile objoom web3 1

shared by Jac Londe on 30 Jul 12 - No Cached
  • ndroid 4.0 Mini PC MK802 RAM 512MB ROM 4G mini TV BoxAndroid 4.0 Mini PC MK802 Features:-This is the smallest Android TV player in the world,it looks like a USB flash drive, twice as big as a USB stick,but compared to a regular small Android TV box,the size is only 25%. You can attach it to the back of your TV, easy to hide. -It outputs the video to TV via HDMI, a short HDMI cable is included, it requires your TV to have a HDMI input. -It is powered by a USB cable, this USB cable is included, but you need to purchase a compatible USB adapter (5V,2A),we can also give it to you if you tell me which country you are from, we will know what kind of USB adapter you need. -It has a regular USB port, you can connect your USB mouse or keyboard here, you can also connect a 2.4GHz wireless mouse and keyboard dongle here,please be noted that mouse and keyboard are not included. -It also has a micro USB port which can be used to connected to your PC. You can use it to copy files from your PC to this little guy. -It also has a micro TF card slot, you can insert a micro TF card with up to 32GB of movie or pictures here. -It doesnt have an ethernet port, you need to use WIFI to connect it to the internet. -It also no RGB port,no S-video port, no built-in IR,no built-in bluetooth. Are you still not clear ?-Connect this (mini CPU) to a monitor and a mouse (Fly mouse or USB mouse). -Switch ON both monitor and this player. -You’re ready to run Android 4.0 OS. -No other thing is needed. -Yes! really. It’s a complete CPU. You can play most of the latest 3D and 2D games available in market. -Performance of this device is comparable with smartphones.Specifications of Android 4.0 Mini PC -OS: Android 4.0
  • -Main Chip: Allwinner A10/ 1.5 GHz Cortex-A8 -Memory: 1GB -Storage: 4GB -Graphical processor: 2D/ 3D/ OpenGL ES2.0(AMD Z430)/OpenVG1.1(AMD Z160) 27M Tri/sec -Network: Wireless 802.11b/g, WAPI(Ralink8188) -Expand Memory: Micro TF 2-32GB -IO/Ports: Micro 5pin USB/ USB2.0 data transfer/ OTG and host expand -Keyboard: Support virtual keyboard, support 2.4G wireless keyboard, fly mouse -Audio: AAC, AAC+, eAAC+, AMR-NB, AMR-WB, QCP, MP3, WMA, WAV, MIDI, M4A -Video: WMV/ASF/MP4/3GP/3G2M4V/AVI/MJPEG/RV10/DivX/VC-1/MPEG-2/MPEG-4/H.263/H.264/720P, 1080P, 720*480-Andriod APP: Youku,Tudou,QQ,Youtube,Twitter,AngryBird,Office,Gmail,Browse,Skype -HDMI: 1080P, 2160P  
  • Jac Londe on 30 Jul 12
     
    ndroid 4.0 Mini PC MK802 RAM 512MB ROM 4G mini TV Box Android 4.0 Mini PC MK802 Features: -This is the smallest Android TV player in the world,it looks like a USB flash drive, twice as big as a USB stick,but compared to a regular small Android TV box,the size is only 25%. You can attach it to the back of your TV, easy to hide. -It outputs the video to TV via HDMI, a short HDMI cable is included, it requires your TV to have a HDMI input. -It is powered by a USB cable, this USB cable is included, but you need to purchase a compatible USB adapter (5V,2A),we can also give it to you if you tell me which country you are from, we will know what kind of USB adapter you need. -It has a regular USB port, you can connect your USB mouse or keyboard here, you can also connect a 2.4GHz wireless mouse and keyboard dongle here,please be noted that mouse and keyboard are not included. -It also has a micro USB port which can be used to connected to your PC. You can use it to copy files from your PC to this little guy. -It also has a micro TF card slot, you can insert a micro TF card with up to 32GB of movie or pictures here. -It doesnt have an ethernet port, you need to use WIFI to connect it to the internet. -It also no RGB port,no S-video port, no built-in IR,no built-in bluetooth. Are you still not clear ? -Connect this (mini CPU) to a monitor and a mouse (Fly mouse or USB mouse). -Switch ON both monitor and this player. -You're ready to run Android 4.0 OS. -No other thing is needed. -Yes! really. It's a complete CPU. You can play most of the latest 3D and 2D games available in market. -Performance of this device is comparable with smartphones. Specifications of Android 4.0 Mini PC -OS: Android 4.0 -Main Chip: Allwinner A10/ 1.5 GHz Cortex-A8 -Memory: 1GB - Storage: 4GB -Graphical processor: 2D/ 3D/ OpenGL ES2.0(AMD Z430)/OpenVG1.1(AMD Z160) 27M Tri/sec -Network: Wireless 802.11b/g, WAPI(Ralink8188) -Expand Memory: Micro TF 2-32GB -IO/Ports: Micr
Jac Londe

USB Pinout - Connector Wiring for USB A, USB B, and Mini USB Interfaces - 0 views

www.connections-usa.com/usb_pinout.html

USB connector wiring interfaces arduino objoom

shared by Jac Londe on 27 Aug 11 - No Cached
  • USB Pinout - Connector Wiring for USB A, USB B, and Mini USB InterfacesUSB (Universal Serial Bus) is an interface designed to connect peripherals such as mice, keyboards, scanners, digital cameras, printers, hard disks, and networking components to PC.
  • USB pinout signals USB is a serial bus. It uses 4 shielded wires: two for power (+5v & GND) and two for differential data signals (labelled as D+ and D- in pinout). NRZI (Non Return to Zero Invert) encoding scheme used to send data with a sync field to synchronise the host and receiver clocks. In USB data cable Data+ and Data- signals are transmitted on a twisted pair. No termination needed. Half-duplex differential signaling helps to combat the effects of electromagnetic noise on longer lines. Contrary to popular belief, D+ and D- operate together; they are not separate simplex connections.
  • USB transfer modes Univeral serial bus supports Control, Interrupt, Bulk and Isochronous transfer modes.USB transfer rates: Low Speed, Full Speed, Hi-speed. USB supports three data rates: Low Speed (1.5 Mbit per second) that is mostly used for Human Input Devices (HID) such as keyboards, mice, joysticks and often the buttons on higher speed devices such as printers or scanners; Full Speed (12 Mbit per second) which is widely supported by USB hubs, assumes that devices divide the USB bandwidth between them in a first-come first-serve basis - it"s easy to run out of bandwidth with several devices; Hi-Speed (480 Mbit per second) was added in USB 2.0 specification. Not all USB 2.0 devices are Hi-Speed. A USB device must indicate its speed by pulling either the D+ or D- line high to 3.3 volts. These pull up resistors at the device end will also be used by the host or hub to detect the presence of a device connected to its port. Without a pull up resistor, USB assumes there is nothing connected to the bus. In order to help user to identify maximum speed of device, USB device often specify it's speed on it's cover with one of USB special marketing logos.
  • ...6 more annotations...
  • USB powered devices The USB connector provides a single 5 volt wire from which connected USB devices may power themselves. A given segment of the bus is specified to deliver up to 500 mA. This is often enough to power several devices
  • USB cable shielding:Shield should only be connected to Ground at the host. No device should connect Shield to Ground.USB cable wires: Shielded:Data: 28 AWG twistedPower: 28 AWG - 20 AWG non-twisted Non-shielded:Data: 28 AWG non-twistedPower: 28 AWG - 20 AWG non-twisted  
  • USB voltage: Supplied voltage by a host or a powered hub ports is between 4.75 V and 5.25 V. Maximum voltage drop for bus-powered hubs is 0.35 V from it's host or hub to the hubs output port. All hubs and functions must be able to send configuration data at 4.4 V, but only low-power functions need to be working at this voltage. Normal operational voltage for functions is minimum 4.75 V.
  • USB power usage:Bus-powered hubs: Draw Max 100 mA at power up and 500 mA normally.Self-powered hubs: Draw Max 100 mA, must supply 500 mA to each port.Low power, bus-powered functions: Draw Max 100 mA.High power, bus-powered functions: Self-powered hubs: Draw Max 100 mA, must supply 500 mA to each port.Self-powered functions: Draw Max 100 mA.Suspended device: Max 0.5 mA
  • Pin Name Cable color Description 1 VCC Red +5 VDC 2 D- White Data - 3 D+ Green Data + 4 GND Black Ground 4 pin USB A or USB B plug�connector at the peripherals 4 pin USB A / USB B / mini-USB jack�connector at the controller Pin x of mini-USB connector usually not used or connected to GND.
  • The Universal Serial Bus is host controlled and there can be only one host per bus. An USB system consist of a host controller and multiple devices connected in a tree-like fashion using special hub devices. Hubs may be cascaded, up to 5 levels.
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