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Raspberry Pi Hat - extenders findings

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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 €13.00 Price €13.00

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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Regular price €4.50 Price €4.50

MCP23017 Expansion Board - 16 I/O - for Arduino and Raspberry Pi - Waveshare 15391

Expander of pins on the basis of the MCP23017 system, it extends the capabilities of the Arduino or Raspberry Pi with additional 16 pins of I/O. It communicates via I2C...
5.0 (1)
Index: WSR-13466
Index: WSR-13466
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Regular price €6.90 Price €6.90

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 (6)
Index: WSR-20080
Index: WSR-20080
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Regular price €11.90 Price €11.90

MSX Proto Hat for Raspberry Pi 4B/3B+/3B/2B

Board allows for self-creation of electronic circuits. It is connected directly to the GPIO pins of the Raspberry Pi minicomputer, version 4B / 3B+ / 3B / 2B.
Index: MSX-04552
Index: MSX-04552
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Regular price €7.50 Price €7.50

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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Regular price €4.50 Price €4.50

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 (2)
Index: DNG-11800
Index: DNG-11800
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Regular price €8.90 Price €8.90

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.
4.6 (3)
Index: MOD-07149
Index: MOD-07149
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Regular price €5.50 Price €5.50

PiClock RTC PCF8563 I2C - real time clock + buzzer + battery for Raspberry Pi 3

A PCF8563 real time clock module whose supply voltage is maintained by a CR2032 round battery (included). The chip allows timekeeping while the Raspberry Pi is disconnected...
4.0 (1)
Index: MSX-06077
Index: MSX-06077
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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 (2)
Index: MSX-05794
Index: MSX-05794
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Raspberry Pi 400 Expansion + cable - SB Components SKU21307

An adapter to put the GPIO pinouts of the Raspberry Pi 400 minicomputer in a more accessible place. The manufacturer of Raspberry Pi has placed the GPIOs on the Pi 400 in the...
5.0 (2)
Index: SBC-20381
Index: SBC-20381
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Expansion Kit - extension Raspberry Pi to breadboard + tape + breadboard - Iduino RA028

A module that allows the GPIO Raspberry Pi pins to be led out onto the contact plate using IDC tape. The kit also includes a contact plate and 40-pin tape.
5.0 (1)
Index: OST-14267
Index: OST-14267
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Regular price €9.00 Price €9.00

Nano Base Board (B) for Raspberry Pi Compute Module 4, Same Size as the CM4

Expander of pins in the form of an overlay for the Raspberry Pi Compute Module 4 Lite / eMMC computing module . It has been equipped with special connectors, thanks to...
5.0 (1)
Index: WSR-21612
Index: WSR-21612
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Regular price €17.90 Price €17.90

THT prototype board - Raspberry Pi 4B/3B+/3B/2B

The board allows you to create electronic circuits yourself. It is connected directly to the GPIO outputs of the Raspberry Pi mini-computer version 4B/3B+/3B/2B.
5.0 (1)
Index: MOD-02816
Index: MOD-02816
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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...
4.8 (7)
Index: WSR-13301
Index: WSR-13301
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Regular price €20.50 Price €20.50

Raspberry Pi Build HAT - LEGO motors and sensors driver - RP2040

A LEGO motor and sensor controller made by the Raspberry Pi Foundation. Based on the Raspberry Pi RP2040 microcontroller, this controller for four LEGO motors allows you to...
5.0 (1)
Index: RPI-20291
Index: RPI-20291
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Regular price €31.50 Price €31.50

THT Prototype Board - Raspberry Pi

Board allows for independent creation of electronic circuits. Connected directly to the GPIO pins of the Raspberry Pi minicomputer.
Index: MOD-01742
Index: MOD-01742
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Regular price €3.90 Price €3.90

ADC Pi MCP3424 - 8-channel A/D converter

Module with high precision A/C converter in the form of shields for GPIO connectors of Raspberry Pi. It has 8 17-bit channels, analog outputs operating in mode Single Ended...
Index: ABE-11715
Index: ABE-11715
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Regular price €23.90 Price €23.90

Traffic HAT - LED module with for Raspberry Pi

Shield for Raspberry Pi, along with three large LEDs, push button and buzzer for self-assembly. It can be programmed in any language for the Raspberry Pi.
5.0 (1)
Index: SUP-13471
Index: SUP-13471
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GPIO I2C pin expander and LED driver - AW9523 - STEMMA AT / Qwiic - Adafruit 4886

GPIO pinout expander and LED driver . Equipped with AW9523 chip, provides up to 16 additional GPIO inputs / outputs . Uses I2C bus to communicate with connected...
5.0 (1)
Index: ADA-19252
Index: ADA-19252
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Regular price €6.90 Price €6.90

Dual ETH Quad RS485 Base Board (B) - Lead expander for Raspberry Pi Compute Module 4 - Waveshare 2166

Dual ETH Quad RS485 Base Board (B) is a board manufactured by Waveshare. It acts as a base board, a terminal expander designed to extend the capabilities of Raspberry Pi CM4...
Index: WSR-21618
Index: WSR-21618
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Regular price €59.90 Price €50.92
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1 Wire Pi Zero DS2482 - 1-Wire module for Raspberry Pi

Shield for Raspberry, based on DS2482-100 system, allows you to use the 1-Wire protocol. The module provides conversion to the I2C interface. It has built-in RJ12 connector,...
Index: ABE-11721
Index: ABE-11721
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Regular price €14.90 Price €14.90

Base Board CM4Duino - Lead expander for Raspberry Pi Compute Module 4 - compatible with Arduino - Waveshare 21738

Base Board CM4Duino is a pins expander from Waveshare designed for the Raspberry Pi Compute Module 4 Lite / eMMC computing module . The module has a special socket for...
Index: WSR-21616
Index: WSR-21616
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Regular price €28.00 Price €19.60
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IO Pi Zero 32 - expander for Raspberry Pi - 32 I / O pins

Shield for Raspberry is based on a system PCA9535 adding 32 pins of I/O to minicomputer. It connects via the I2C bus. The module has selectable address so you can do cascade...
5.0 (1)
Index: ABE-11717
Index: ABE-11717
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Regular price €17.50 Price €17.50

Extended I/O system in Raspberry Pi

To connect the Raspberry Pi to the external electronics, we use transition boards, in the form of a PCB, equipped with additional tracks and goldpins, responsible for connecting their own elements above the device board. One track is assigned to one connector pin. Sometimes, however, the board is already equipped with AWG tape, which on the other hand has female IDC40 plugs. It is thanks to this tape that we can connect Raspberry Pi to our own board, which does not necessarily need to be located directly above the computer, but nearby. This is what distinguishes AWG tapes from most Raspberry Pi HAT overlays. It happens, however, that the number of GPIO lines in the Raspberry Pi connector is too small for us, which means that we can't connect as many peripheral devices as we planned and need to do in order to complete the project or create a device that will be compatible with our plans and needs. In such cases we use output expanders. What is their purpose?

Output expanders are dedicated for integrated circuits that use a serial interface such as SPI and I2C to expand the input/output network. This way we gain additional lines, which were previously missing from the original connector. This is how Waveshare Serial Expansion HAT works, for instance. This is one of the overlays for the Raspberry Pi microcomputer, which contains SC16IS752 chip. Using the Waveshare Serial Expansion HAT overlay, we are definitely extending the capabilities of our computer. This way we gain two additional UART interfaces, as well as eight GPIO lines. These are configured via the I2C bus. The output expanders are used very often when planning a large project and a very complex device. They allow the Raspberry Pi to be used with virtually no limitations. The extensive layout of the outputs creates unlimited possibilities for the most ambitious projects.

What will make your Raspberry even more powerful?

If you are not fully satisfied with the current state of your Raspberry, have a look at our store and see how you can further enhance its capabilities. You'll find everything you need to enable it to do even more for you. We offer both simple GPIO lines as well as expanders with many useful features. These allow you to use an additional 16-bit analog-to-digital converter as well as four additional USB ports. You also get the chance to use a set of relays to control high loads at higher voltages. Check what we have prepared for you and your Raspberry. Discover that there is even more to it than before. Create a new project, even more advanced and challenging!