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Raspberry Pi 4B GPIO extensions and HAT

Single-board mini computers from the Raspberry Pi series have gained recognition around the world. They are used by both home-type tinkerers and professional designers of programmable electronic devices. In 2019, the latest model appeared on sale - the Raspberry Pi 4B. Compared to previous models, Pi 4B has been equipped with an even more efficient quad-core processor Broadcom BCM2711 clocked at 1,5 GHz of frequency and for the first time, it consists two Micro HDMI outputs for external monitors instead of a single standard A-type HDMI connector. You can use the Raspberry Pi 4B in the same way as a standard PC for internet browsing and office work, as well as a driver for physical devices with electronic and mechanical systems, thanks to the versatile 40-pin GPIO connector. By using the GPIO connector in Raspberry Pi, you can easily create a home automation management centre, electrical drive controller, audiophile D-class amplifier, retro-style gaming machine, remote control apparatus for unmanned vehicles and much more! Sounds marvellous, isn't it? And it's still real to come true - just use the Raspberry Pi HAT hardware extension boards that are GPIO-compatible with Raspberry Pi 4B!

Products: 20
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Pi-DAC PRO - sound card for Raspberry Pi 4B/3B+/3/2/B+/A+

Sound DAC for Raspberry Pi 4B / 3B+ / 3 / 2 / B+ / A+ equipped with DAC Burr Brown PCM5242 32-bit resolution, operating at 384kHz . The volume control is hardware based...
Index: PIM-15917
Index: PIM-15917
Discontinued product
Unavailable
Regular price €69.53 Price €69.53

Dual SATA HAT for Raspberry Pi 4B - Seeedstudio 114992115

Overlay for Raspberry Pi 4B mini-computer equipped with two SATA slots , which allows you to connect two 2.5" or 3.5" SSD or HDD . The overlay connects to the minicomputer...
Index: SEE-17668
Index: SEE-17668
Discontinued product
Unavailable
Regular price €43.02 Price €43.02

Pirate Audio Speaker -speaker with display - DAC for Raspberry Pi - Pimoroni PIM485

DAC amplifier cap for Raspberry Pi minicompouter. It has a built-in 1 W / 8 Ω speaker and a 1.3" colour IPS display. Additionally, the board is equipped with 4...
Index: PIM-15897
Index: PIM-15897
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Waiting time about 10-30 days
Regular price €22.67 Price €22.67

Pirate Audio 3W Stereo Amp - 3W amplifier with display - AMP for Raspberry Pi - Pimoroni PIM484

Overlay with two DAC chips for the Raspberry Pi minicomputer. The board is equipped with a 3 W stereo audio output , two speaker terminals and a 1.3 " colour IPS display ....
Index: PIM-15898
Index: PIM-15898
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Waiting time about 10-30 days
Regular price €22.67 Price €22.67

IO Expansion HAT for Raspberry Pi 4B/3B+/3B/2B - DFRobot DFR0566

Overlay for Raspberry Pi mini-computer in 4B / 3B+ / 3B / 2B version, where individual sections of Raspberry Pi outputs have been separated , such as: digital, analog, PWM,...
Index: DFR-15713
Index: DFR-15713
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Regular price €10.44 Price €10.44

Pirate Audio Headphone Amp - headphones amplifier for Raspberry Pi - Pimoroni PIM482

Headphone amplifier cap for the Raspberry Pi minicomputer. The module is equipped with an amplifier circuit and DAC . It has a resolution of 24-bit, operates at 192 kHz. The...
Index: PIM-15900
Index: PIM-15900
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Waiting time about 10-30 days
Regular price €22.67 Price €22.67

Argon Fan HAT - module with fan for Raspberry Pi

40 x 40 mm fan cover for Raspberry Pi 4B / 3B+ / 3B / 2B. After downloading the script from the manufacturer, the fan speed can be adjusted . On the board there is a power /...
Index: ARG-15394
Index: ARG-15394
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Regular price €11.05 Price €11.05

Pirate Audio Line out - audio output for Raspberry Pi - Pimoroni PIM483

Overlay with 3.5 mm audio output for Raspberry Pi. The built-in DAC provides clear 24-bit / 192 kHz audio, while the 1.3" IPS screen displays album artwork. The module also...
Index: PIM-15899
Index: PIM-15899
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Regular price €22.67 Price €22.67

DC Motor Driver HAT V1.0 - 2-channels motor driver 12V/1,2A - HAT for Raspberry Pi - DFRobot DFR0592

Two-channel DC motor controller TB6612FNG operating with voltage from 7 V to 12 V and continuous current 1.2 A per channel and momentary 2 A. The module in the form of an...
Index: DFR-15298
Index: DFR-15298
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Regular price €16.05 Price €16.05

Mini PoE Hat - PoE module for Raspberry Pi 4B/3B+ - UCTRONICS U6109

A cap to power the Raspberry Pi using PoE technology . This technology will allow you to power your minicomputer using a power cable terminated with an RJ-45 plug ....
Index: ACM-16897
Index: ACM-16897
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Regular price €18.12 Price €18.12

Grove - Base Hat for Raspberry Pi - shield for Raspberry Pi 4B/3B+/3B

Overlay for Raspberry Pi 4B / 3B+ / 3B based STM32 microcontroller with 12-bit ADC, with Grove connectors, allows the connection of sensors and modules from the Grove...
Index: SEE-15458
Index: SEE-15458
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Waiting time about 10-30 days
Regular price €9.88 Price €9.88

Mini PoE Hat - PoE module for Raspberry Pi 4B/3B+/3B + fan - UCTRONICS U6110

A cap to power Raspberry Pi minicomputers using Power over Ethernet technology. This solution allows you to power the minicomputer using a network cable with an RJ-45...
Index: ACM-16898
Index: ACM-16898
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Waiting time about 10-30 days
Regular price €21.51 Price €21.51

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.