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Raspberry Pi 4B GPIO extensions and HAT

Products: 208
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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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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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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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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

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

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 (13)
Index: RPI-18616
Index: RPI-18616
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Regular price €29.90 Price €29.90

Logic level converter 3,3V / 5V - I2C UART SPI

The module allows to exchange data between systems that use two popular voltages: 3.3 V and 5 V. It provides connection of interfaces: UART, SPI and I2C.
5.0 (6)
Index: MOD-01513
Index: MOD-01513
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Regular price €2.00 Price €2.00

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

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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Relay Hat for Raspberry Pi - 8 relays with optoisolation - 5A / 250VAC / 30VDC contacts - 5V coil - Waveshare 15423

The module with the HAT shield for Raspberry Pi is equipped with eight HLS8L relays with a coil powered with a voltage of 5 V along with optoelectronic insulation. The system...
4.9 (9)
Index: WSR-13301
Index: WSR-13301
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Regular price €20.90 Price €20.90

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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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....
4.8 (13)
Index: MSX-06117
Index: MSX-06117
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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 €15.90 Price €15.90

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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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...
5.0 (3)
Index: MOD-02717
Index: MOD-02717
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Regular price €5.90 Price €5.90

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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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

Logic level transmitter TXB0104 bi-directional, 4-channel - SparkFun BOB-11771

The module allows to exchange the data between systems that use the most popular voltage levels: from 1.2 V to 3.6 V for VCCA inputs, and from 1.65 V to 5.5 V for VCCB inputs....
Index: SPF-04290
Index: SPF-04290
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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 (2)
Index: ABE-11714
Index: ABE-11714
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Proto Board for Raspberry Pi Zero

Board allows independent creation of electronic circuits. Connected directly to the GPIO pins of the Raspberry Pi minicomputer in a version Zero.
5.0 (4)
Index: MSX-05794
Index: MSX-05794
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Regular price €4.90 Price €4.90

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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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

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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L76X Multi-GNSS HAT - GPS/BDS/QZSS for Raspberry Pi 4B/3B+/3B/2B/Zero - Waveshare 16193

The GNSS overlay for Raspberry Pi and Jetson Nano minicomputers supports Multi-GNSS systems: GPS, BDS and QZSS. The main advantages of the module are fast positioning, high...
5.0 (1)
Index: WSR-14783
Index: WSR-14783
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Regular price €27.90 Price €27.90

Comprehensive control units for robotics projects

Kiedy tworzymy projekt robota, dobrze jest zadbać o jego dobre wyposażenie pod kątem układów sterowania. Znakomitym solution jest nakładka 4tronix RoboHAT. Ten moduł zawiera zestaw programowalnych wejść i wyjść, to których możesz podłączyć czujniki, buzzers, LEDs oraz sterownik silników elektrycznych i serwomechanizmów. Nakładka została starannie zmontowana i jest gotowa do podłączenia do Raspberry Pi bezpośrednio po unboxing. Zasilanie modułu może być podłączone poprzez złącze śrubowe ARK oraz gniazdo zasilające DC jack. Konstruktorzy udostępnili przykładowe programy i zestawy instrukcji w Pythonie, w oparciu o które użytkownik może poznać zasadę działania robotów. Z tego powodu, nakładkę RobotHAT szczególnie polecamy osobom rozpoczynającym przygodę z robotyką.

An interesting offer for music and electronics enthusiasts

Using the Pimoroni Piano HAT overlay, you can turn the Raspberry Pi 4B into a simple music synthesizer with keyboard and buttons. According to the standards in the hardware design of synthesizers and drum machines since the 1980s, this overlay supports MIDI protocol (Musical Instruments Digital Interface). The keyboard contains a single octave with a C1-C2 tonal range (13 notes). These are capacitive touch keys. In addition, the user has at his disposal buttons for changing the tonal range (Octave Up / Octave Down) and a button for selecting sound presets stored in memory. The Piano HAT overlay is equipped with a GPIO connector that is compatible with the Raspberry Pi 4B minicomputer hardware. A practical feature of the overlay is built-in LEDs that perform an educational function. All you have to do is follow which of the LEDs that are linked with keys are lights up to learn to play simple songs from scratch. The program implementing this function was written in Python and is pre-loaded into memory in the Piano HAT module. The alternative,,non-musical” project, which you can create by using this board is a whac-a-mole game.

A simple way to control electrical circuits powered by mains voltage

Also, SparkFun Electronics has prepared interesting hardware extensions for Raspberry Pi. The RELAYplate module contains seven Single-Pole Single-Throw Normally Opened electromechanical relays. With this overlay, you can control the circuits powered by a voltage of 120VAC or 30VDC. The overlay allows you to switch-on and switch-off the power supply of electric motors, pumps, fans, lighting, heaters and other electrical devices. The kit includes a protective cover to prevent accidental electric shock due to contact with high voltage circuits. At the same time, you can connect eight such modules together, which gives you the ability to control up to 56 circuits in parallel, independently of each other. The board is equipped with LEDs that indicate the state of contacts of individual relays. The RelayPLATE overlay is controlled by a 40-pin GPIO connector, the pin layout of which is compatible with most models of the Raspberry Pi minicomputer, including Pi 4B.