Raspberry PI Board
The Raspberry Pi is a tiny computer motherboard that is the size of a credit card, hence it’s name “card-sized computer.” It is an ARM-based microcomputer motherboard. SD card as the memory hard disk, there are two USB interfaces and a network port card around the motherboard , can be connected to the keyboard, mouse and network cable. There is a video analog signal TV output interface and HDMI high-definition video output interface on it, all the above components are integrated in a motherboard only slightly larger than a credit card, with all the basic functions of the PC, just need to connect the TV and keyboard. It can perform functions such as spreadsheets, word processing, playing games and playing high-definition videos.Raspberry PI board is currently divided into 5 generations with application upgrades.
The First Generation
Raspberry PI Board
This generation of Raspberry Pi board has simple functions and relatively low cost. There are 3 models, Raspberry Pi 1 Model A, Raspberry Pi 1 Model B and Raspberry Pi 1 Model B+.
Raspberry Pi 1 Model A
256 MB RAM, there is only 1 external port and 1 USB port. This was developed for embedded and robotics projects as it limits USB and external ports. It has 26 general purpose Input and Output (GPIO) pins. This model is very lightweight and consumes less power. Nevertheless, the model is still useful in projects where low power and weight are critical, such as high-altitude hot air ballooning and high-altitude flying. Plus, this model with a Wi-Fi adapter is perfect for users who want to use the Raspberry Pi as a media center behind the TV.
Raspberry Pi 1 Model B
1 USB and 100MB of external ports more than Model A, increases 256MB of RAM to 512MB of RAM.Other configurations and functions are the same as those of model A.
Raspberry Pi 1 Model B+
It is the final version of the Raspberry Pi Generation 1, which increases its universal input and output (GPIO) to 40, with the first 26 working in the same way as models A and B. Compared to models A and B, it has 2 USB ports, better hot-plugging and over-current performance. This model also has a Micro SD card insertion interface, a special low noise power supply for audio circuits and a simpler shape with extremely low power consumption.
The Second Generation Raspberry PI Board
The second generation of the Raspberry Pi board only comes in one model, the Raspberry Pi 2 Model B. There are more features and configurations in the Raspberry Pi 2 Model B than the Raspberry Pi 1. It has a BCM 2837 Arm7 quad-core processor that can power single-board computers operating at 900 MHz. This model increases the configuration to 1GB of RAM, which is easily enough to handle more powerful and larger applications. Its geometric area and board layout are almost identical to the of the Raspberry Pi 1 Model B+. It has full HAT (top attached hardware) compatibility. This model’s Universal Input and Output (GPIO)40 pins are fully compatible with Raspberry Pi 1 models A, B and B+.
This model supports cameras with CSI ports. It also has an on-screen display port using a DSI port. It has a Micro SD port for operating system and storing data. In addition, it has a 10/100 external port for quickly connecting this Raspberry PI model to the Internet. It also has 4 USB ports, which provide 1.2 amps of current to any USB port, as it has a very advanced power management system. This Raspberry model can use LibreOffice to create and manage our documents and spreadsheets. We can build our own workstations, time-lapse video, HD audio, GPS tracking, create spatial programming and enjoy faster, more advanced games.
Configuration
The ARM900 MHZ 4-core CPU processor/1G RAM/4 USB 2.0 ports /1 standard HDMI IN /OUT
Ethernet port / 40-pin GPIO interface/External sensors and other peripherals /SD card slot/External USB power supply
The Third Generation Raspberry PI Board
Raspberry Pi 3 Model B model and Raspberry Pi 2 Model B, both of which have nearly identical hardware ports and features: PCB, 1GB RAM, 4 USB ports, 40 universal input and output ports, a full HDMI port for audio video, external port for audio video. Connect it to any external system, 3.5mm audio and video jack for connection to any external system, DSI port for connecting it to any digital display or LCD display, push-pull Micro SD slot and video core VI for 3D graphics. All of these features are almost identical to Raspberry Pi 2 Model B.
The main differences between Raspberry Pi 3 and Raspberry Pi 2 are: The Raspberry Pi 2 has a quad-core 900 MHz central processing unit (CPU), while the Raspberry Pi 3 has a quad-core 1.2 GHz central processing unit (CPU). It has Wi-Fi and Bluetooth connectivity. The addition of a central processing unit, Wi-Fi and Bluetooth facilities makes it more reliable and compact than other Raspberry Pi models. This advanced Raspberry Pi 3 Model B can be used for advanced applications and projects such as writing our own games, creating wireless expanders, home arcade boxes, TV media centers and more programs.
Configuration
ARM1.2G Hz 64-bit 4-core CPU processor/ 1G RAM/4 USB 2.0 ports /1 standard HDMI IN/OUT /Ethernet port / 40-pin GPIO interface/external sensors and other peripherals /SD card slot/External USB power supply onboard Bluetooth and Wireless module.
Raspberry PI 3B
TECHNICAL
SPECIFICATIONS
| SOC
Broadcom BCM2837B0 |
USB
USB2.0*4 |
Bluetooth
4.2 |
HDMI
HDMI*1 |
| Ethernet Poe
Power Via Additional HAT Ethernet(POE) |
Power Supply Interface
Micro UsB(5V 2.5A) |
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| Wired Network
USB2.0 Gigabit Ethernet(300Mb/s) |
GPU
Broadcom Video Core lV@400MHz |
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| Wifi
802.11AC Wireless 2.4GHz/5GHz Dual-band Wifi |
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| CPU
64-bit 1.4GHz Quad-core(40nm process) |
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| Multimedia
H.264.MPEG-4;Decode(1080p 30) H.264.Encode(1080p30)0pen Gles 1.1.2.0 Graphics |
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The Fourth Generation Raspberry PI Board
The Raspberry Pi 4 Model B is the latest member of the Raspberry Pi family, which makes improvements to the memory, processing power and functionality of the microcomputer. The motherboard has several major improvements over previous generations. The 4th generation Raspberry PI board is equipped with a powerful quad-core Cortex-A72 (ARM v8) processor at 1.5GHz. It speeds up processing and improves performance. Also available are 2GB, 4GB or 8GB LPDDR4-3200 SDRAM variants to provide more memory for intensive tasks.
The Raspberry Pi Model B includes: dual Micro-HDMI ports that support up to 4K resolution, making it ideal for multimedia applications. It also features two USB 3.0 and two USB 2.0 ports for faster data transfer and expanded connectivity. Other features include a Gigabit Ethernet port, dual-band Wi-Fi and Bluetooth 5.0 for seamless networking. It still maintains compatibility with previous models by offering a 40-pin GPIO connector. The Raspberry Pi 4 Model B is a versatile and powerful device for a variety of projects and applications.
Features
This microcomputer motherboard has the characteristics of small size, full functions and low price
Small Size
Its physical dimensions are only 85 mm×56 mm×19.5 mm, which is equivalent to the size of a credit card.
Full Function
Equipped with high-performance 64-bit 4-core processor, support dual-screen display driver, with dual Micro-HDMI port, can achieve up to 4K resolution display. With hardware video decoding capabilities, support high-definition video decoding playback, decoding capacity of 40Kp60. Large memory capacity, optional 2GB, 4GB or 8GB RAM, to ensure smooth multitasking. Features dual-band Wi-Fi and Bluetooth 5.0 for seamless networking. Gigabit Ethernet port for high-speed wired network connection. Features 3.0 and 2.0 USB ports for high-speed data transfer. Supports the POE function, which can be implemented through a separate POE plug-in. With modular compliance certification, dual-band wireless LAN and Bluetooth modules with compliance certification, simplifying the product design and compliance certification process.
Raspberry PI 4B
TECHNICAL
SPECIFICATIONS
| SOC Broadcom BCM2711 |
Bluetooth 5.0 |
GPU Broadcom Video Core lV@500MHz |
| USB USB2.0*2/USB3.0*2 |
Wired Network True Gigabit Ethernet(Network Reachable) |
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| Power Supply Interface Type(5V 3A) |
HDMI Mirco HDMl2 Supports 4K60 |
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| Wifi 802.11AC Wireless 2.4GHz/5GHz Dual-band Wifi |
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| Ethernet Poe Power Via Additional HAT Ethernet(Poe) |
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| CPU 64-bit 1.5G Hz Quad-core(28nm Process) |
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| Multimedia H.265.(4Kp 60 Decode) H.264.(1080p 60 Decode,1080p 30 Encode) Open Gles. 3.0 Graphics |
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The Fifth Generation
Raspberry PI Board
The Raspberry Pi 5’s CPU performance has increased by more than 2 times and GPU performance has also improved significantly. The Pi 5 features a 4GB or 8GB LPDDR4X-4267 SDRAM with a 2.4GHz 64-bit quad-core ARM processor, a Video Core VII GPU, a 2×4-channel MIPI camera/display transceiver, a real-time clock, and a convenient, on-board power button.
Why is the little Raspberry PI so beloved?
Raspberry PI is loved by many people, mainly because of its low cost, openness, education, community support and diverse application scenarios.
Low Cost
The Raspberry PI is a small, low-cost computer with a relatively low price, making it easy for more people to buy and use. This lowers the barrier for people to try new projects and experiments.
Openness and Flexibility
Raspberry PI is an open platform that users can customize and extend according to their needs. It provides a lot of GPIO pins, a variety of interfaces and expansion boards, giving users the flexibility to build a variety of different types of projects. Let enthusiasts and makers can realize a variety of creative projects.
Education and Learning
Raspberry PI is widely used in education to help students learn programming, computer science and electronics. It provides a lot of teaching resources and community support, making educational resources more accessible and convenient.
Community Support and Resources
Raspberry PI has a large and active community of enthusiasts, developers, educators and so on. This community provides a wealth of tutorials, project examples, technical support and communication platforms, providing users with valuable resources and assistance.
Diverse Application Scenarios
Raspberry PI can be used in a variety of different scenarios and projects, including media centers, home automation, iot devices, educational experiments and so on. This diversity makes the Raspberry PI extremely versatile and appealing to a wider audience.
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