Computer programming: 2 books in 1: raspberry pi+Python for beginners, Mastering Python Step By Step and Unlock Powerful Hacks by Snowden John

Author:Snowden, John [Snowden, John]
Language: eng
Format: epub, mobi, azw3, pdf
Published: 2021-01-24T00:00:00+00:00

PART I:

THE BOARD

Chapter One

The Raspberry Pi

The Raspberry Pi Components

The Raspberry Pi is a series of small single-board computers developed by the Raspberry Pi Foundation in the United Kingdom to promote fundamental computer science teaching in schools and developing countries. The original model became much more popular than expected, selling for uses such as robotics outside its target market. Peripherals (such as keyboards and mice) and cases are not included here. However, in several official and unofficial bundles, several accessories are packed.

Two arms comprise the company behind the Raspberry Pi. The first two versions were produced by the Raspberry Pi Foundation. The Foundation founded Raspberry Pi Trading after the launch of the Pi Model B. Eben Upton was the CEO at the time. The third model, the B+, was further developed by the Foundation. Raspberry Pi Trading is responsible for technology growth, while the Foundation is an educational charity in schools and developing countries that supports the teaching of basic computer science.

What's fresh about the Raspberry Pi 4?

Support for dual display (4 K): You can now attach two displays to this desktop computer with this feature, and that feature is also available in 4K.

Better performance: A new, revamped processor and RAM comes with the new Raspberry Pi 4, which guarantees you a new desktop experience.

Fast networking: Gigabit Ethernet, along with on-board wireless networking and Bluetooth, comes with the Pi 4.

RAM: The Raspberry Pi 4 comes in 3 RAM-based variants: 1 GB, 2 GB, and 4 GB.

USB 3: The latest Raspberry Pi 4 has improved USB capabilities. You can find two USB 3 ports along with two USB 2 ports, which can transfer data up to ten times faster.

Technical criteria

• Broadcom BCM2711, 64-bit SoC @ 1.5GHz Quad-core Cortex-A72 (ARM v8)

• 1 GB, 2 GB or 4 GB LPDDR4-2400 SDRAM (model dependent)

• 2.4 GHz and 5.0 GHz

• Normal 40 pin GPIO header Raspberry Pi (fully backward compatible with previous boards)

• 2 ports for micro-HDMI (up to 4kp60 supported)

• MIPI DSI 2-lane display port

• MIPI CSI 2-lane camera port

• Stereo audio and composite video connector 4-pole

• H.265 (Decode 4kp60), H264 (Decode 1080p60, Encode 1080p30)

• Graphics from OpenGL ES 3.0

• Micro-SD card slot for operating system loading and data storage

• 5V DC via USB-C connector (minimum 3A *)

• 5V DC via header GPIO (minimum 3A *)

• Power over Ethernet (PoE) enabled (separate PoE HAT required)

• Operating temperature: ambient temperature of 0 to 50 degrees C

* If downstream USB peripherals consume less than 500mA in total, a good quality 2.5A power supply can be used.

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