Orange Pi 2 H3 Learning Development Board<br> It is best to buy DC 5V2A charger . Because Orange Pi 2 don't  support Micro USB Power supply<br> What's Orange Pi 2?<br> It's an open-source single-board computer. It can run Android 4.4， Ubuntu， Debian， Rasberry Pi Image，  Cubieboard Image， as well as the banana pi Image. It uses the AllWinner H3 SoC， and has 1GB DDR3 SDRAM<br><br> What can I do with Orange Pi 2?<br> Build&amp;hellip; <br>   A computer   A wireless server   Games   Music and sounds   HD video   A speaker   Android   Scratch   Pretty much anything else， because Orange Pi is open source<br> Who's it for?<br> Orange Pi 2 is for anyone who wants to start creating with technology &amp;ndash; not just consuming it. It's a simple， fun， useful tool that you can use to start taking control of the world around you.  <br>                     Hardware specification                         CPU                   H3 Quad-core Cortex-A7 H.265\/HEVC 4K                         GPU                   &amp;middot;Mali400MP2 GPU @600MHz           &amp;middot;Supports OpenGL ES 2.0                                                                                                                                                              Memory (SDRAM)                   1GB DDR3 (shared with GPU)                         Onboard Storage                   TF card (Max. 64GB) \/ MMC card slot                         Onboard Network                   10\/100M Ethernet RJ45                         Onboard Wifi                   Realtek RTL8189ETV， IEEE 802.11 b\/g\/n                         Video Input                   A CSI input connector Camera:           Supports 8-bit YUV422 CMOS sensor interface           Supports CCIR656 protocol for NTSC and PAL     Supports SM pixel camera sensor           Supports video capture solution up to 1080p@30fps                         Audio Input                   MIC                         Video Outputs                   Supports HDMI output with HDCP           Supports HDMI CEC           Supports HDMI 30 function           Integrated CVBS           Supports simultaneous output of HDMI and CVBS                         Audio Output                   3.5 mm Jack and HDMI                         Power Source                    DC input， USB OTG input don't supply power                         USB 2.0 Ports                   Four USB 2.0 HOST， one USB 2.0 OTG                         Buttons                   Power button: Next to Reset button           UBoot button (optional): Behind HDMI connector                         Low-level peripherals                   40 Pins Header，compatible with Raspberry Pi B+                                                                                                                           GPIO(1x3) pin