Sunday, June 8, 2014

Pengenalan Raspberry Pi


Raspberry Pi adalah komputer. Ye, Raspberry Pi ini adalah komputer yang murah yang bersaiz kad kredit. Ia boleh memaparkan paparan sekiranya anda mencantumkan wayar ke skrin komputer ataupun TV dirumah anda. Ia juga boleh menggunakan mouse dan keyboard. Pi adalah alat yang mampu dimiliki oleh semua golongan masyarakat untuk pelbagai tujuan, terutamanya ialah untuk meneroka dunia pengkomputeran dan belajar bahasa pengaturcaraan seperti Scratch dan Python.



Terdapat dua jenis model Raspberry Pi ketika ini, iaitu Model A dan Model B

Spesifikasi Model A:
Raspberry Pi Model A


Harga
:
USD25 / MYR80 +-
Sistem Chip
:
Broadcom BCM2835 (CPU, GPU, DSP, SDRAM, and single USB port)
CPU
:
700 MHz ARM1176JZF-S core (ARM11 family, ARMv6 instruction set)
GPU
:
Broadcom VideoCore IV @ 250 MHz
OpenGL ES 2.0 (24 GFLOPS)
MPEG-2 and VC-1 (with license), 1080p30 h.264/MPEG-4 AVC high-profile decoder and encoder
Memory (SDRAM)
:
256 MB (shared with GPU)
USB 2.0 Port
:
1 (direct from BCM2835 chip)
Video Input
:
A CSI input connector allows for the connection of a RPF designed camera module
Video Output
:
Composite RCA (PAL and NTSC), HDMI (rev 1.3 & 1.4), raw LCD Panels via DSI
14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards.
Audio Output
:
3.5 mm jack, HDMI, and, as of revision 2 boards, I²S audio (also potentially for audio input)
Onboard Storage
:
SD / MMC / SDIO card slot (3.3 V card power support only)
Onboard Network
:
TIADA
Low-level Peripherals
:
8 × GPIO, UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3 V, +5 V, ground
Power Rating
:
300 mA (1.5 W)
Power Source
:
5 V via MicroUSB or GPIO header
Saiz
:
85.60 mm × 56 mm (3.370 in × 2.205 in)
Berat
:
45 g (1.6 oz)
Sistem Operasi
:
Arch Linux ARM, Debian GNU/Linux, Gentoo, Fedora, FreeBSD, NetBSD, Plan 9, Inferno, Raspbian OS, RISC OS, Slackware Linux

Spesifikasi Model B:
Raspberry Pi Model B

Harga
:
USD35 / MYR112 +-
Sistem Chip
:
Broadcom BCM2835 (CPU, GPU, DSP, SDRAM, and single USB port)
CPU
:
700 MHz ARM1176JZF-S core (ARM11 family, ARMv6 instruction set)
GPU
:
Broadcom VideoCore IV @ 250 MHz
OpenGL ES 2.0 (24 GFLOPS)
MPEG-2 and VC-1 (with license), 1080p30 h.264/MPEG-4 AVC high-profile decoder and encoder
Memory (SDRAM)
:
512 MB (shared with GPU) as of 15 October 2012
USB 2.0 Port
:
2 (via the built in integrated 3-port USB hub)
Video Input
:
A CSI input connector allows for the connection of a RPF designed camera module
Video Output
:
Composite RCA (PAL and NTSC), HDMI (rev 1.3 & 1.4), raw LCD Panels via DSI
14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards.
Audio Output
:
3.5 mm jack, HDMI, and, as of revision 2 boards, I²S audio (also potentially for audio input)
Onboard Storage
:
SD / MMC / SDIO card slot (3.3 V card power support only)
Onboard Network
:
10/100 Mbit/s Ethernet (8P8C) USB adapter on the third port of the USB hub
Low-level Peripherals
:
8 × GPIO, UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3 V, +5 V, ground
Power Rating
:
700 mA (3.5 W)
Power Source
:
5 V via MicroUSB or GPIO header
Saiz
:
85.60 mm × 56 mm (3.370 in × 2.205 in)
Berat
:
45 g (1.6 oz)
Sistem Operasi
:
Arch Linux ARM, Debian GNU/Linux, Gentoo, Fedora, FreeBSD, NetBSD, Plan 9, Inferno, Raspbian OS, RISC OS, Slackware Linux


Perbezaan Spesifikasi Model A dan Model B:



Model A
Model B
Harga
USD25 / MYR80 +-
USD35 / MYR112 +-
Memory (SDRAM)
256 MB (shared with GPU)
512 MB (shared with GPU) as of 15 October 2012
USB 2.0 Port
1 (direct from BCM2835 chip)
2 (via the built in integrated 3-port USB hub)
Onboard Network
TIADA
10/100 Mbit/s Ethernet (8P8C) USB adapter on the third port of the USB hub
Power Rating
300 mA (1.5 W)
700 mA (3.5 W)

Jadi, setelah membuat perbandingan, sebaiknya korang dapatkan Model B terus daripada Model A.

Apa Raspberry Pi ni boleh lakukan?

Pelbagai perkara yang boleh dilakukan oleh Pi ni, mengikut individu yang memilikinya. Samada individu tersebut nak buat sebagai portable komputer, ataupun personal komputer untuk kegunaan harian. Terpulang pada individu tersebut lah senang kata. Antara perkara yang orang lalukan dengan Pi adalah:
  1. Media Player
  2. Mini Web Server
  3. Projek Robotik
  4. Belajar Bahasa Pengaturcaraan
  5. Torrent Server
  6. Cloud Server
  7. Station Kajicuaca
  8. Home Automation
  9. Makan Pi
  10. Minum Pi
  11. Mandi Pi
Dan pelbagai lagi lah. Ikut individu tu nak buat apa dengan Pi mereka.

Sekian.

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