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Raspberry Pi 4B GPIO extensions and HAT

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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 (11)
Index: MOD-03790
Index: MOD-03790
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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 (2)
Index: MSX-02927
Index: MSX-02927
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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 (11)
Index: MSX-06117
Index: MSX-06117
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Regular price €2.50 Price €2.50

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...
4.5 (17)
Index: RPI-13066
Index: RPI-13066
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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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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 (6)
Index: SPF-02259
Index: SPF-02259
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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...
4.9 (9)
Index: RPI-18615
Index: RPI-18615
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Raspberry Pi DAC Pro - sound card for Raspberry Pi 4B/3B+/3B

Raspberry Pi DAC Pro is based on a Burr Brown PCM5242 32-bit / 384 kHz converter , allowing for Full HD 24-bit / 192 kHz audio playback. The module is equipped with two...
5.0 (9)
Index: RPI-18616
Index: RPI-18616
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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 (12)
Index: RPI-19537
Index: RPI-19537
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MCP4725 DAC I2C converter - SparkFun BOB-12918

Digital-to-analog converter with I2C interface. The module allows you to receive signal in the form of analog voltage from any microcontroller that has I2C. It is powered with...
5.0 (1)
Index: SPF-02275
Index: SPF-02275
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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 (5)
Index: WSR-06804
Index: WSR-06804
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Regular price €12.90 Price €12.90

Module ProtoPi Plus - extension for Raspberry Pi 4/3/2/B + to breadboard + ribbon wire

The module provides easy connection of all GPIO leads of the Raspberry minicomputer, version 4, 3, 2 and B+ with any breadboard, no soldering needed.
5.0 (4)
Index: MOD-02607
Index: MOD-02607
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Proto Hat to Raspberry Pi 4B/3B+/3B/2B

Board allows for independent creation of electronic circuits. It is connected directly to the GPIO pins of the Raspberry Pi minicomputer, version 4B / 3B+ / 3B / 2B.
Index: MOD-09422
Index: MOD-09422
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Argon One M.2 NVMe expansion board - for Raspberry Pi 4B

Expansion board made by Argon40 for Argon One enclosures , which allows you to boot the Raspberry Pi 4B minicomputer system using an M.2 NVMe SSD. Simply replace the lower...
5.0 (5)
Index: ARG-21352
Index: ARG-21352
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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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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 (1)
Index: UCC-02556
Index: UCC-02556
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IO Pi Plus MCP23017 - expander for Raspberry Pi - 32 I / O pins

An overlay for Raspberry based on MCP23017 chip adding 32 I/O pins to the minicomputer. Connects via I2C bus . The module has a selectable address, so you can cascade...
5.0 (2)
Index: ABE-11708
Index: ABE-11708
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Regular price €16.00 Price €16.00

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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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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HiFiBerry MiniAmp for Raspberry 4B/3B+/3/2/B+/A+/Zero

Shield, type Hat for Raspberry, version 4B, 3B+, 3B, 2B, A+, B, Zero with a built-in class D amplifier with a power of 3 W. The device supports speakers with an impedance of 8...
5.0 (1)
Index: RHF-07927
Index: RHF-07927
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ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier STEMMA QT/Qwiic- Adafruit 1085

Module with analog to digital converter with 16-bit precision. Running at a speed of up to 860 samples per second. It has the ability to change the amplification of up to 16 x....
5.0 (2)
Index: ADA-08444
Index: ADA-08444
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Regular price €20.90 Price €20.90

HiFiBerry DAC+ RTC - 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 24...
5.0 (4)
Index: RHF-12131
Index: RHF-12131
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Regular price €40.90 Price €40.90

Argon Fan HAT v1.5 - module with fan for Raspberry Pi

Overlay with 40 x 40 mm fan for Raspberry Pi 4B / 3B+ / 3B. After downloading the script from the manufacturer's website, you can adjust the fan speed . There is a power /...
4.7 (5)
Index: ARG-15394
Index: ARG-15394
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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 (6)
Index: PLL-02523
Index: PLL-02523
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Regular price €3.50 Price €3.50

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.