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Raspberry Pi 4B GPIO extensions and HAT

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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 (13)
Index: RPI-19537
Index: RPI-19537
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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 (13)
Index: MOD-03790
Index: MOD-03790
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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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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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Regular price €8.90 Price €8.90

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

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 €26.90 Price €26.90

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 (12)
Index: MSX-06117
Index: MSX-06117
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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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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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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 (4)
Index: MOD-01513
Index: MOD-01513
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Regular price €2.00 Price €2.00

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,...
4.7 (2)
Index: SEE-11408
Index: SEE-11408
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Regular price €16.00 Price €16.00

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 (13)
Index: RPI-18615
Index: RPI-18615
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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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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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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 (10)
Index: RPI-18616
Index: RPI-18616
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Regular price €30.90 Price €30.90

GPIO pin header expander for Raspberry Pi 3/2 / B + with quick couplers - cascade

An expansion board that allows you to easily connect the modules to the GPIO pins on a Raspberry Pi. Board is combined with minicomputer via 40-strip ribbon . It has goldpin...
5.0 (3)
Index: DNG-11800
Index: DNG-11800
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Regular price €9.50 Price €9.50

HiFiBerry DAC2 Pro - sound card for Raspberry Pi 4B/3B+/3B

High quality sound card with digital-analogue and analogue-digital converter for Raspberry Pi 4B/3B+/3B. It is equipped with a Burr-Brown 192 kHz / 24-bit converter. On the...
4.9 (13)
Index: RHF-18129
Index: RHF-18129
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Regular price €61.90 Price €61.90

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...
4.8 (8)
Index: ARG-21352
Index: ARG-21352
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Regular price €34.90 Price €34.90

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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PCF8591 - A/D and D/A converter, 8-bit I2C v2

Module with A/D converter - 4 channels and D/A - 1 output. It works with voltage from 2.5 V to 6.0 V, and communicates over I2C. The board also contains: potentiometer,...
5.0 (1)
Index: MOD-02632
Index: MOD-02632
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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.
4.7 (4)
Index: MOD-07149
Index: MOD-07149
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RTC Pi DS1307 - RTC real time clock overlay for Raspberry Pi

Shield for Raspberry is based on a system DS1307 with real time clock. It connects via the I2C bus. The module has a socket for CR2032 batteries that support the operation of...
Index: ABE-11716
Index: ABE-11716
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Regular price €15.50 Price €15.50

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,...
5.0 (2)
Index: RPI-02892
Index: RPI-02892
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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 (2)
Index: DFR-03036
Index: DFR-03036
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Regular price €13.90 Price €13.90

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.