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Raspberry Pi GPIO extensions

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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...
5.0 (2)
Index: RPI-24601
Index: RPI-24601
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Regular price €13.90 Price €13.90

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,...
4.9 (15)
Index: MOD-03790
Index: MOD-03790
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Regular price €6.90 Price €6.90

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...
4.7 (14)
Index: RPI-19537
Index: RPI-19537
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Regular price €24.50 Price €24.50

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...
4.9 (10)
Index: SPF-02259
Index: SPF-02259
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Regular price €3.90 Price €3.90

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...
5.0 (3)
Index: UCC-02556
Index: UCC-02556
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Regular price €2.90 Price €2.90

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...
5.0 (12)
Index: RPI-18616
Index: RPI-18616
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Regular price €29.90 Price €29.90

Raspberry Pi AI HAT+ 13 TOPS

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
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Regular price €83.50 Price €83.50
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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...
4.6 (19)
Index: RPI-13066
Index: RPI-13066
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Regular price €26.50 Price €26.50

Raspberry Pi AI HAT+ 26 TOPS

Raspberry Pi AI HAT+ is a cap that extends the capabilities of the Raspberry Pi 5 with the Hailo AI accelerator, which provides simple, efficient and energy-efficient...
Index: RPI-25674
Index: RPI-25674
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Regular price €127.00 Price €127.00
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Ethernet / USB (B) HUB - 3xUSB 1xRJ45 Ethernet - frontend Overlay for Raspberry Pi - Waveshare 20416

Overlay for Raspberry Pi, adding three USB ports and one RJ45 Ethernet port. It has an embedded Ethernet RTL8152B chip. The pogo pin layout allows the overlay to connect...
4.7 (7)
Index: WSR-20080
Index: WSR-20080
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Regular price €12.00 Price €12.00

IQaudIO DAC+ - sound card for Raspberry Pi 4B/3B+/3B

The sound card designed for the Raspberry Pi minicomputer provides high quality Full HD 24-bit/192 kHz audio with built-in hardware volume control via the Linux built-in...
5.0 (16)
Index: RPI-18615
Index: RPI-18615
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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...
5.0 (1)
Index: ABE-11714
Index: ABE-11714
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Regular price €6.50 Price €6.50

MCP23018-E/SP - 16-Bit I/O Expander with Open-Drain Outputs

The system allows to increase the number of pins (up to 16) of the microcontroller (including minicomputer Raspberry Pi). It communicates with the central unit via the I2C bus...
4.9 (5)
Index: UCC-06506
Index: UCC-06506
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Regular price €2.50 Price €2.50

RPi Relay Board - 3 relays - cap for Raspberry Pi - Waveshare 11638

Cap fitted to connectors of Raspberry Pi GPIO in version 4B, 3B+, 3B, 2B, B+ and A+, with three relays with parameters of 250 V / 10 A. Board has a screw connector....
4.8 (6)
Index: WSR-06804
Index: WSR-06804
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Regular price €13.90 Price €13.90

MCP3424 - ADC 18-bit 4-channel I2C converter

Module with analog-digital converter, delta-sigma type with 18-bit precision. It is equipped with four channels with differential inputs. It works at speed of up to 240 samples...
5.0 (3)
Index: DFR-03036
Index: DFR-03036
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MAX98357A decoder stereo DAC I2S - SparkFun DEV-14809

The stereo decoder's module DAC to communicate through the I2S interface. Built-in class D amplifier can provide up to 3.2 W of power to the speakers or headphones with...
5.0 (2)
Index: SPF-13062
Index: SPF-13062
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Regular price €8.00 Price €8.00

ReSpeaker v1.1 for Raspberry Pi - modul with 2 microphons - Seeedstudio 107100001

ReSpeaker is an expansion board for the Raspberry, equipped with 2 microphones, it is designed for AI and voice applications. It allows you to build efficient devices, which,...
4.8 (3)
Index: SEE-11408
Index: SEE-11408
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Regular price €16.50 Price €16.50

Power over Ethernet HAT (E) - 802.3af PoE and network power overlay - for Raspberry Pi 3B+ / 4B - Waveshare 23285

Power over Ethernet HAT (E) is a shield for Raspberry Pi in version 3B+ and 4B . It allows you to simultaneously obtain a network connection in the 802.3af standard and to...
5.0 (9)
Index: WSR-22399
Index: WSR-22399
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Regular price €14.90 Price €14.90

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...
5.0 (3)
Index: PIB-24731
Index: PIB-24731
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Regular price €25.50 Price €23.19
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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...
5.0 (3)
Index: MSX-02927
Index: MSX-02927
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Regular price €8.90 Price €8.90

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...
4.9 (8)
Index: PLL-02523
Index: PLL-02523
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Regular price €2.90 Price €2.90

1 Wire Pi Plus DS2482 - 1-Wire module for Raspberry Pi

Shield for Raspberry based on DS2482-100 system which allows you to use the 1-Wire protocol. The module provides a conversion of the I2C interface. It has built-in a RJ12...
Index: ABE-11711
Index: ABE-11711
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Regular price €18.50 Price €18.50

HiFiBerry DAC+ RCA Zero for 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, the converter of quality ESS DAC has a resolution of...
4.6 (6)
Index: RHF-07482
Index: RHF-07482
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Regular price €27.90 Price €27.90

RS485 CAN HAT - overlay for Raspberry Pi - Waveshare 14882

Shield for Raspberry Pi, version 4B / 3B+ / 3B / 2B / Zero / Zero W with system SN65HVD230  which allows communication between CAN and SPI and the SP3485 system that...
4.9 (7)
Index: WSR-12532
Index: WSR-12532
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Regular price €10.50 Price €10.50

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.