Mini dators RASPBERRY PI 4 B ar 8GB RAM

Long-awaited, latest version of a populat minicomputer Raspberry Pi 4 model B. This model has a more efficient processor, Broadcom BCM2711 quad-core 64-bit ARM-8 Cortex-A72 1.5 GHz, two microHDMI ports, two USB 3.0 ports and 2 USB 2.0 ports, as well as a USB-C power supply connector. In addition, the board is supplied with dual-band 2.4 GHz and 5 GHz wi-fi, Bluetooth 5 / BLE, Ethernet port with speed to 1000 Mbps and the possibility of power supply via PoE. The other characteristics remain the same as in model 3 B+. Onboard there are still: 40 pin GPIO header (2x20 pin, raster: 2.54), microSD slot for memory cards, DSI and CSI connectors, and four mounting holes.

What is new in Raspberry Pi 4?

Image and sound in minicomputer Raspberry Pi 4

Raspberry Pi has two microHDMI ports, through which it can pass the image and sound even at 4 K and 60 fps for one display and 30 fps for two displays. Built-in 4-pin 3.5 mm Jack for headphones, speaker systems or for video output using standard RCA Composite. Raspberry Pi supports the compression standard H265 (4Kp60), H. 264 (1080p30) and graphics OpenGL ES 1.1, 2.0 and 3.0.

Operating system for Raspberry Pi

The drive of the minicomputer is still the microSD memory card. The manufacturer did not use memory eMMC. The operating system can be downloaded via the computer with the card reader. In our offer you will find a corresponging card with preinstalled software NOOBs that enables you to install one of systems: Raspbian, Openelec, RaspBMC, or OSMC Linux at the first run. There is also the possibility to install Windows 10 IoT independently.

Communication in Raspberry Pi 4

Raspberry Pi is equipped with 4 popular communication interfaces, available in a traditional PC. In addition to the previously mentioned audio and video connectors the user has at their disposal:

• 2 microHDMI ports for simultaneous connection of two videos receivers even in 4K.

• 2 USB 3.0 and 2 USB 2.0 ports, which can connect, for example, a mouse, a keyboard, a wi-fi card or USB flash drive. If you find that there is not enough ports, you can increase their number using an external USB HUB.

• Ethernet connector, that has the ability to directly connect to LAN network, now in Gigabit speed.
• WiFi module - dual band 2.4 GHz and 5 GHz, 802.11 b/g/n/ac, working with the drivers built in the latest system Raspbian / NOOBs
• Bluetooth 5 module - is a popular wireless network in the newest 5.0 standard
• GPIO - 40 pin GPIO header used for LEDs, buttons, motor drivers and interfaces: I2C, SPI, and UART and many more.

Power supply of minicomputer Raspberry Pi 4

To power up Raspberry Pi 4 you need a power supply with USB-C connector and an output voltage of 5 V. The minimum recommended current is 3 A.