When published in 2012 by the Raspberry Pi Foundation Computers single made its triumphant in the heart of hobbyists, modders and geeks around the world, was not yet clear how creative the little motherboard would be used. Gradually the great potential of the mini-computer has been fully recognized and made originally designed for educational purposes developer boards were self-made mobile phones, smartphones, tablets, compact cameras or router. After the optimized model B + now follows that build upon and significantly accelerated Raspberry Pi 2 (Model B).
When published in 2012 by the Raspberry Pi Foundation Computers single made its triumphant in the heart of hobbyists, modders and geeks around the world, was not yet clear how creative the little motherboard would be used. Gradually the great potential of the mini-computer has been fully recognized and made originally designed for educational purposes developer boards were self-made mobile ph...
When published in 2012 by the Raspberry Pi Foundation Computers single made its triumphant in the heart of hobbyists, modders and geeks around the world, was not yet clear how creative the little motherboard would be used. Gradually the great potential of the mini-computer has been fully recognized and made originally designed for educational purposes developer boards were self-made mobile ph...
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Thanks to numerous expansion interfaces, such as the GPIO port, camera and display interface or USB 2.0 ports, can be realized with the Raspi 2 different kinds of projects. The extent of applications ranges for example soldered LEDs or LCD displays on the control units for wireless printer, automatically triggered wildlife cameras, hot air balloons, drones, electronic musical instruments, equipped with sensors air pollution measuring devices through to voice-controlled coffee maker. With the handheld, creativity knows no bounds!
But Off the robotics, embedded projects, the Raspberry Pi 2 thin client or server used by home users in addition to the envisaged application areas, such as the learning of programming languages, or the acquisition of hardware knowledge, like as a media center. The improved board of the Raspberry Pi 2 is physically connected to the Model B + identical and also has an efficient system-on-a-chip from Broadcom, which combines all chipset features in themselves and in spite of the increased performance a special low price still possible makes ,
While the previous models of the Raspberry Pi 2 still had to make do with a slow single-core processor with old ARMv6 technology and 700 MHz clock, the new version over a highly accelerated Cortex-A7 quad-core processor with modern ARMv7-A architecture and 4x 900 MHz clock. In addition, the memory compared to Model B and Model B + of 512 MB has been doubled to 1024 MB SDRAM. This huge difference in performance makes itself at media center applications noticeable, but it shows especially for applications in desktop operating systems and calculations great impact.
The integrated video core IV graphics unit with H.264 / MPEG-4 video acceleration for HD material is still on board and can be expanded for a small license fee if required on the codecs VC-1 and MPEG-2 are thus also the Raspberry Pi 2 full fitness is awarded as talented multimedia playback device. For the modern architecture of the new Broadcom SoC come various Linux distributions as the operating system in question and even the upcoming Windows 10 is supported.
In an (optional) microSD card as a system drive, the known Raspbian (Debian Wheezy), Snappy Ubuntu Core or OSMC and OpenELEC (Kodi / XBMC variants) can be saved as example. The new Raspberry Pi 2 brings all the improvements of the model B + with himself and thus continues to four USB 2.0 ports, space-saving microSD slot, 4-pole 3.5mm jack audio output with integrated composite -Video output and the enhanced 40-pin GPIO header. In addition, the optimized power supply was maintained with higher efficiency, so that more peripherals can be connected.
The temperatures of the SoC benefit from these measures with consistently low values. The power consumption of Raspi 2 board remains despite stronger CPU at a maximum of about 2.5 watts (without USB devices), and can even be passively cooled without a heat sink. Power is supplied by a micro-USB port, which is the Raspberry Pi 2 with popular smartphone charger is compatible from 600 mA, but it is still a 2A power supply recommended. The four USB ports can provide more than a total of 1.7 A and devices can be connected during operation without board reset.
Other I / O ports of the small motherboards have not changed and data transfers are made to the network or Internet thus still using RJ-45 LAN Port with 100 Mbit / s or via an optional wireless USB stick. Are also available for viewing picture via integrated Broadcom Video Core IV graphics unit two monitor outputs ready: HDMI and composite video via minijack connector. About HDMI resolution up to 1,920 x 1,200 pixels support.
Note: Due to the identical screw and terminal configuration is the new Raspberry Pi Model B 2 with housings for the old model B + fully compatible!
Technical details:
Format: Raspberry Pi Mini PCB
Color: Green
Dimensions: 85 x 56 x 20 mm
Weight: 45 g
Chipset: Broadcom BCM2836 SoC
Processor: ARM Cortex-A7 Broadcom quad-core (4 x 900 MHz)
SoC Graphics: Broadcom Video Core IV (250 MHz, HD video acceleration)
RAM: 1024 MB SD RAM (400 MHz)
Internal connections:
1x GPIO header (40 pins)
1x JTAG Footprint (without header)
1x DSI (Display Interface)
1x CSI (Camera Interface)
Power / reset / LED / Front Audio
External ports:
1x Micro-USB (power supply)
4x USB 2.0
1x LAN (RJ45, 100 Mbit / s)
1x Composite video / audio output (3.5mm, 4-pole)
1x HDMI 1.4
Slots (physical):
1x microSD (HC) card slot
Power Supply:
1x 5V via micro-USB or GPIO header (from 600 mA, 2 A recommended ~ 2.5 W)
Compatibility: Linux (ARMv7-A compatible), Windows 10
