The Raspberry Pi is a series of microcomputers that attracted both experienced programmers and novice robotics fans. The range of possibilities of their use is huge, which also results in their versatility. We could see the famous Raspberry for the first time in 2012, when its first version was released. Year after year, we have observed changes and improvements, which was conditioned by changing trends on the market, newly emerging technologies, as well as increasing expectations of demanding customers. Raspberry Pi can be both an alternative to PC, as well as an element of the monitoring system and smart home. It is used in creating weather stations, but at the same time it works well in various kinds of robots. It can be connected to various kinds of outdoor devices. It is possible due to GPIO connectors. They enable the Raspberry Pi to have an LCD display and an interface with buttons. This is how a home lighting system or a building automation system is created, for example. Our offer is designed to meet the current needs of our customers. You will find a wide range of HAT overlays compatible with Raspberry Pi equipment.
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Raspberry Pi GPIO extensions
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4-channel logic level converter
The module allows to exchange data between systems that use the most popular levels of voltage: 5 V <-> 3.3 V and 3.3 V <-> 1,8 V. It works in both directions simulatneously....
Index: MSX-06117
Index: MSX-06117
Raspberry Pi M.2 HAT+ for NVMe drives and M.2 accessories for Raspberry Pi 5
Raspberry Pi M.2 HAT+ allows you to connect M.2 peripherals, such as NVMe drives and AI accelerators, to the PCIe 2.0 interface on Raspberry Pi 5. It provides fast data...
Index: RPI-24601
Index: RPI-24601
MCP23017 - I2C 16-channel output expander
The system allows to increase the number of pins (up to 16 ) of the microcontroller (including minicomputer of Raspberry Pi). It communicates with the central unit via the I2C...
Index: UCC-02556
Index: UCC-02556
RTC module DS3231 I2C - real time clock
Module with real time clock, allows you to read the time in hours, minutes, and seconds, and to read the date: month, day, year. The device was based on the DS3231 system,...
Index: MOD-03790
Index: MOD-03790
Raspberry Pi SSD Kit 256GB for Raspberry Pi 5
The Raspberry Pi SSD Kit consists of a Raspberry Pi M.2 HAT+ and an official 256 GB Raspberry Pi SSD NVMe drive . The SSD Kit is the perfect solution for Raspberry Pi 5...
Index: RPI-25485
Index: RPI-25485
Logic level bi-directional converter, 4-channel - SparkFun BOB-12009
The module allows to exchange data between systems that use the most popular voltages levels: 5 V and 3.3 V and 1.8 V and 2.8 V. Works in both directions simultaneously. It has...
Index: SPF-02259
Index: SPF-02259
Raspberry PI 4/3/B+/2 GPIO Expansion Board E1 - blue
The board provides the connection of the three modules to each of the GPIO pins of the Raspberry Pi. It has 3 rows of goldpin connectors, 40 pieces in each.
Index: MOD-07149
Index: MOD-07149
Raspberry Pi PoE+ HAT - Power over Ethernet for Raspberry Pi 4B/3B+ - SC0468
Cap designed for Raspberry Pi 3B+ and 4B versions which are equipped with 4-pin PoE connector. It allows simultaneous communication with LAN and powering the minicomputer...
Index: RPI-19537
Index: RPI-19537
ProtoPi Plus Side - extension GPIO Raspberry Pi 4/3/2/B for breadboard + tape
The module allows you to connect the GPIO leads of the Raspberry Pi 4, 3, 2 and B plus minicomputer to popular 830-hole contact boards using the included 40-wire tape. The...
Index: MSX-02927
Index: MSX-02927
Raspberry Pi DAC Pro - sound card for Raspberry Pi 4B/3B+/3B
The Raspberry Pi DAC Pro is based on the Burr Brown PCM5242 32-bit / 384 kHz converter, allows for Full HD 24-bit / 192 kHz audio playback. The module is equipped with two...
Index: RPI-18616
Index: RPI-18616
Raspberry Pi SSD Kit 512GB for Raspberry Pi 5
The Raspberry Pi SSD Kit includes a Raspberry Pi M.2 HAT+ and an official Raspberry Pi 512GB NVMe SSD . It's the perfect solution for Raspberry Pi 5 users who want the...
Index: RPI-25484
Index: RPI-25484
Extension GPIO Raspberry Pi 3/2/B+ to the contact plate + tape
The module allows connection of the GPIO leads of the minicomputer Raspberry Pi 3, 2 and B + to popular breadboards with 830 and 400 holes, using an attached to the set,...
Index: RPI-02892
Index: RPI-02892
Pineboards HatDrive! Bottom - PCle adapter for NVMe 2230, 2242, 2280 for Raspberry Pi 5
HatDrive! BM1L (BOT) is a dedicated adapter that allows you to connect a full-size NVMe SSD to a Raspberry Pi 5 single-board computer. Designed with memory expansion in...
Index: PIB-24731
Index: PIB-24731
WIZnet Ethernet HAT - W5100S - overlay for Raspberry Pi Pico - WIZnet
Trim for Raspberry Pi Pico equipped with the Ethernet TCP/IP W5100S system, which provides Internet connectivity via the Ethernet connector. The board supports wired Internet...
Index: WIZ-22395
Index: WIZ-22395
ReSpeaker Mic Array v2.0 by Seeed is another more extended version of ReSpeaker Mic Array v1. The board with built-in long-range microphone, capable of detecting voices at a...
Index: SEE-14133
Index: SEE-14133
Raspberry Pi AI HAT+ is an extension of the Raspberry Pi 5 with the Hailo AI accelerator, which enables easy, cost-effective and energy-efficient integration of advanced...
Index: RPI-25673
Index: RPI-25673
TV HAT tuner DVB-T - module with decoder for Raspberry Pi 4B/3B+/3B/Zero
Shield for Raspberry Pi which consists to the tuner of the terrestrial television. It enables the reception of all available, uncoded channels of digital terrestrial...
Index: RPI-13066
Index: RPI-13066
Grove Base Kit for Raspberry Pi 4B/3B+ a set for beginners
Grove it modular to create simple projects using components based on the same interface. The kit includes Grove Base Hat + 10 modules and sensors.
Index: SEE-14420
Index: SEE-14420
Raspberry Pi CM4IO - extension board for Raspberry Pi CM4 Compute Module 4
An extension module designed for the miniaturized version of Raspberry Pi 4B in the form of Compute Module 4. It allows to lead its connectors to GPIO pins. Additionally it...
Index: RPI-18213
Index: RPI-18213
MSX RTC DS1307 I2C - real time clock
Module with real time clock and backup battery (battery included). It allows you to read the time in hours, minutes, and seconds, date: month, day, year. The communication...
Index: MOD-02717
Index: MOD-02717
Raspberry Pi AI Kit - AI module + Raspberry Pi M.2 HAT+ for Raspberry Pi 5
The Raspberry Pi AI Kit is a kit that combines the Hailo 8L AI accelerator in the M.2 form factor with the Raspberry Pi M.2 HAT+, offering users excellent inference...
Index: RPI-24986
Index: RPI-24986
Logic level bi-directional converter, 4-channel - Pololu 2595
Miniature (13 x 10 mm). the module allows to exchange data between systems that use the most popular voltage levels ranging from 1.5 V to 18 V and Vice versa. Four channels to...
Index: PLL-02523
Index: PLL-02523
HiFiBerry DAC+ RCA standard - sound card for Raspberry Pi 4B/3B+/3/2/B+/A+/Zero
Shield, type Hat for Raspberry, version 4B, 3B+, 3B, 2B, A+, B, Zero with RCA connectors. It is used in the device of high-quality, DAC Burr-Brown chip has a resolution of...
Index: RHF-04875
Index: RHF-04875
Breakout Pi Zero - prototype board for Raspberry Pi Zero
The board allows you to create your own electronic circuits . It is connected directly to GPIO pins of Raspberry Pi minicomputer. It has separate pins, in groups, as well...
Index: ABE-11714
Index: ABE-11714
See also
Using HAT overlays. What do you actually need them for?
Each HAT overlay is a small 65mm x 56mm board with rounded corners. The overlay is attached to the casing using screws, which can be placed through special holes located on the overlay. Furthermore, it features a 40-pin GPIO connector, which is compatible with Raspberry Pi. The automatic system configuration for the GPIO connector and driver files is an important support for the layout of the outputs. How is it possible that the configuration happens automatically? This is due to the ID_SD and ID_SC outputs. Through the I2C interface they connect to a built-in EEPROM, which contains all the configuration software needed for each GPIO pin. The memory also contains a Device Tree file, which provides information about the HAT board, is its description. This allows Linux to automatically install the software.
HAT overlays available in our shop are dedicated to Raspberry Pi 4 or Raspberry Pi 3, but also to older versions. Thus you have the possibility to use them in practically every Raspberry model offered on the market. Due to HAT overlays you can design and create a complex building management system by connecting additional peripheral devices to Raspberry.
40-pin GPIO connector for receiving and transmitting signals
Raspberry stands out in many ways, which even amateur programmers cannot ignore. One such feature is the 40-pin GPIO connector. It is responsible for connecting external devices to the hardware, and thus for expanding Raspberry in order to create a system with specific capabilities and purposes. These devices eventually work with Raspberry Pi. The connector is used to transmit input signals to control external processes. Moreover, using them we receive the input signals, which allows us to issue further commands. Thanks to HAT overlays you will create, among others, a weather station, which will have sensors of wind speed, precipitation intensity and temperature. Moreover, you have a chance to design your own LED lighting controller, and so such a light source, which is currently considered to be the most energy-efficient. Advanced technology allows the system to change the colour of light and create spectacular light games. HAT overlays are also used in the automation of entrance gates and garage irrigation of green areas, both private and public. WiFi and Bluetooth are used for this purpose. In the same way you will also create a monitoring system for your house, property and car. Another application of HAT overlays is sound system for the room and the car. To create it, you need a sound card. It will give you strong and clear sound.
