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Raspberry Pi 4
Raspberry Pi is a very popular series of single-board computers used by makers and professionals all over the world. The first model of Raspberry Pi called Raspberry Pi B was released at 2012. The latest release from this company is a Raspberry Pi 4B, introduced in June 2019. At first glance, this board looks quite similar to Raspberry Pi 3B+ released in November 2018. However if you take a closer look, you will notice some differences. Instead of standard single HDMI connector, designers put two micro HDMI connectors which provide 4K quality with 60FPS refreshing. The next upgrades are faster USB connections and most important - new quad-core CPU with faster clock, 3 versions of RAM memory, and new Raspbian OS. Those are great features for advanced tasks. The new Raspberry Pi 4B can be used as a desktop computer just like your PC or as a high-performance control unit for a wide range of embedded applications, such as industrial automation, robotics, measurement instruments, and many more. All this comes with a very affordable price!
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Raspberry Pi 4B modules and kits
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Raspberry Pi 4B cases
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Raspberry Pi 4B power supply
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Raspberry Pi 4B memory cards
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Raspberry Pi 4B audio & video cables
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Raspberry Pi 4B displays
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Raspberry Pi 4B GPIO extensions and HAT
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Raspberry Pi 4B cameras
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Raspberry Pi 4B mounting elements
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Raspberry Pi 4B USB accessories
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Raspberry Pi 4B – a PC that fits in the palm of your hand
One of the main design goals of the Raspberry Pi was to remain smaller than a credit card . Interestingly, this assumption - already met in the first market version of "Raspberry" - managed to remain valid, despite the incredible increase in usability and computational efficiency that has taken place over the last few years. The latest Raspberry Pi 4B uses almost all technological achievements, integrating a very efficient, 64-bit, 4-core BCM2711 SoC processor , large RAM memory , and all the necessary connectors known from "large" computers. It is easy to notice that the new version of Raspberry Pi has been developed with particular emphasis on typical "PC" applications - two microHDMI ports allow you to connect two monitors with 4K resolution, and large operating memory (up to 4 GB RAM) facilitates smooth playback of movies and work with many devices. applications running simultaneously. The above components allow it to successfully function as a desktop computer.
Raspberry Pi - an inexpensive computer for everyone
Raspberry Pi 4B - The price of the basic module starts from less than PLN 200. Raspberry Pi and the Botland store are once again cooperating to sell the most popular minicomputer in the world. The set includes a minicomputer and additional accessories. Their number and type depend on the selected set.
Raspberry Pi 4 Model B - Changes in connectors, or something new!
The newest "raspberry" offers connectors known from previous versions of the minicomputer - including GPIO , four full-size USB ports (two of them support the super-fast USB 3.0 standard, and the other two are classic USB 2.0) and an Ethernet connector. The two microHDMI sockets mentioned above have been replaced by the former, full-size HDMI connector, thanks to which neither the size of the Raspberry Pi 4B printed circuit board nor the location of other elements have changed. There are also LCD screen and camera connectors , as well as the obligatory microSD card slot . Significant changes have taken place in the power supply circuit - now, instead of the former micro USB socket, there is a USB C socket on the board, which allows the minicomputer to work with power supplies with a current efficiency of 3 A.
Raspberry computer - High performance and a wide range of accessories
Although wireless communication using the module located on the board is already known from previous versions of the "Raspberry", it is worth paying attention to the parameters of the new module, installed as standard in all versions of Raspberry Pi 4B. The module supports dual-band WiFi (connectivity in the 2.4 GHz and 5 GHz frequency bands) and supports a wide range of standards - 802.11b/g/n/ac. The Bluetooth transceiver supports the latest version 5.0 with a data transfer speed of up to 2 Mb/s. Changes have even occurred in the Ethernet controller, which now supports speeds of up to 1000 Mbit/s. It is also worth adding that the manufacturers of Raspberry Pi 4B did not leave the "raspberry" alone - with the premiere of the latest minicomputer, official power supplies, housings and other accessories, fully compatible with the new board, went on sale. Simple and intuitive Noobs software, free use of the minicomputer even by people who are just taking their first steps in programming. Additional information and advice about raspberries is provided by our experienced consultants who help you select the product for specific applications.
Raspberry Pi 4 - FAQ
Raspberry Pi 4B cases constitute a large collection of over 140 items in the Botland store assortment. It is always worth choosing original RPi accessories - in this case, two variants are the official red and white case for Raspberry Pi 4B and the official graphite case for Raspberry Pi 4B
Although SSDs are different from HDDs, it is worth taking a look at the hard drives category. Our proposal for Raspberry Pi 4 is the Verbatim Store 'n' Go 1TB external drive . It works in the USB 3.0 standard with a good maximum speed of approx. 5 Gb/s - an easy, handy way to store and manage data.
Raspberry Pi 4 , like its predecessors, can replace a computer desktop, serve as a printing assistant, a home Smart TV multimedia center, a robot controller or the heart of an automation project. The RPI platform is alive and the community continues to create new applications.
Raspberry Pi 4 can work with Raspberry Pi OS (formerly known as Raspbian), OSMC, OpenELEC, RISC OS, Windows IoT Core, Lakka, RaspBSD, RetroPie... There are plenty of alternatives, but Raspberry Pi OS remains the foundation.
The Raspberry Pi 4 has a similar size to the Raspberry Pi 3 Model B+ despite the fact that the layout of the components is slightly different. Both Raspberry Pi 4 and Raspberry Pi 3B+ have dimensions of 85 mm x 56 mm x 17 mm. The casing changes them, but its purpose is to fit and be handy.
Raspberry Pi 4 consumes from 3.8 W to 4.0 W in idle state. With 1 core occupied, it consumes 4.5 W. With 2 cores occupied, it consumes 5.0 W. With 3 cores occupied, it consumes from 5.4 W to 5 .5 W. With two cores, it consumes 5.0 W. With three cores, it consumes from 5.4 W to 5.5 W.
We wrote in more detail about the problem on the Botland blog . Passive elements help mainly - a fan is needed when we use the RPi regularly and for a long time. Another proven solution is a housing, for example the Gravlaser housing compatible with RPi 4B or dedicated housings from JustPi .
The price of the Raspberry Pi 4B main module in the 2GB RAM version is around PLN 250. It depends on the selected memory version (2GB, 4GB, 8GB). An economical option is to choose a set that includes everything you need to start working - without purchasing accessories separately. Prices do not exceed PLN 1,000.