Microcomputers of Raspberry Pi attract more and more fans with every month. This is not only due to the latest models, characterized by exceptionally good parameters, including high computing power. Moreover, they offer great possibilities for use by both robotics and programming specialists, as well as people who need the hardware for normal daily use as an alternative to a classic tablet. The Raspberry Pi works well in many conditions, especially since it can be combined with various peripheral devices, which will create a hardware customized to our individual needs, as well as one that matches our project perfectly. Raspberry has a huge potential, but it remains underused to the maximum extent, which only reinforces the desire to discover its new possibilities not only by experienced programmers. The Raspberry Pi features a 40-pin GPIO connector that allows us to connect external devices. When you need an additional interface for your SoC processor to connect to the outside world, not necessarily favourable one, you can use the output expanders. You'll find them in our offer!
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Raspberry Pi Hat - extenders findings
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ADC 16-bit converter - 4-channel ADS1115 - overlay for Raspberry Pi
Shield for Raspberry Pi with analog-digital converter of 16-bit accuracy and a small package MSOP-10. It has programmable data transfer speed from 8 to 860, 4 analog inputs and...
Index: MOD-09861
Index: MOD-09861
Hub USB Hat - 4-port hub for Raspberry Pi 4B/3B+/3B/Zero - Waveshare 12694
Hat for the Raspberry Pi that adds 4 USB ports and a converter USB-UART. The device has dimensions of 65 x 30 mm, it works with Raspberry Pi 4B/3B+/3B and Zero and Zero W.
Index: WSR-08870
Index: WSR-08870
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.
Index: MOD-07149
Index: MOD-07149
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
Expander of GPIO leads for Raspberry PI 4/3/2/B+ with clamps
An expansion board that allows you to easily connect the modules to the GPIO pins on a Raspberry Pi. It has goldpin connectors and clamps with push button.
Index: MOD-07151
Index: MOD-07151
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
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...
Index: WSR-13301
Index: WSR-13301
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.
Index: MOD-02816
Index: MOD-02816
THT 26pin prototype board with screw connectors for Raspberry Pi
Board allows independent creation of electronic circuits. Connected directly to the GPIO pins of the Raspberry Pi minicomputer. It has soldered screw connections and goldpin...
Index: MOD-05662
Index: MOD-05662
ProtoMate universal breadboard for Raspberry Pi 3B/4B/5/Zero 2 - PiHut 106569
ProtoMate is an innovative prototyping board in a HAT format , designed for users who want to transition their designs from breadboard to a permanent, solderable design. The...
Index: PIH-27279
Index: PIH-27279
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
Extension GPIO Raspberry 4B/3B+/3B/2B/B+ to the contact plate + tape + breadboard
This module allows to connect GPIO pins of Raspberry Pi 4B, 3B+, 3B, 2B and B+ versions to the PCB using 40 wires tape. The kit includes GPIO extension module, contact board...
Index: OST-14314
Index: OST-14314
Nano Base Board (C) is a compact pin expander for Raspberry Pi Compute Module 4 Lite / eMMC . This small development board is equipped with an IMX219-D160 camera with a...
Index: WSR-24605
Index: WSR-24605
Serial Expansion HAT - I2C, UART, GPIO for Raspberry Pi - Waveshare 15667
Shield with system SC16IS752 expanding the minicomputer Raspberry Pi with additional two communication channels of UART and GPIO ports programmable via I2C.
Index: WSR-13469
Index: WSR-13469
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.
Index: OST-14267
Index: OST-14267
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...
Index: ADA-19252
Index: ADA-19252
Grove ADS1115 - 4-channel 16-bit ADC for Raspberry Pi - Seeedstudio 103030279
Grove 4-channel 16-bit ADS1115 ADC is an analog-digital converter (ADC) in the form of shield for GPIO connectors of Raspberry Pi. It is 4-channel ADC based on the ADS1115...
Index: SEE-13814
Index: SEE-13814
Automation HAT Mini - HAT for Raspberry Pi - Pimoroni PIM487
Automation HAT Mini is an overlay designed for Raspberry Pi minicomputers. The small size of the overlay gives great possibilities in automation . It is equipped with 24 V / 2...
Index: PIM-19070
Index: PIM-19070
IO Expansion HAT for Raspberry Pi Zero/Zero W - DFRobot DFR0604
Overlay for Zero / Zero W version of Raspberry Pi minicomputer. It shows various sections of Raspberry Pi pins such as digital, analog, PWM, I2C, UART, SPI, I2C.
Index: DFR-19895
Index: DFR-19895
IO pin expander - extension cap for Raspberry Pi 3 / 4 / 400
An expansion overlay for the Raspberry Pi in the form of an IO pin expander . It is compatible with Raspberry Pi version 3 / 4 and 400. On the board all the leads are...
Index: DFR-20073
Index: DFR-20073
Maker Hat Base - HAT GPIO Extension for Raspberry Pi 400
The GPIO Maker Base HAT extension from Cytron, designed mainly to work with the Raspberry Pi 400 minicomputer, but can also be successfully used with other Raspberry Pi...
Index: CTN-20993
Index: CTN-20993
Breakout module with USB A connector - 2,54 mm - horizontal - PiHut 106607
The module with a male USB Type-A connector allows you to conveniently extend power and data lines from any USB Type-A port . The board allows you to easily connect cables,...
Index: PIH-28454
Index: PIH-28454
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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
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.
Index: MOD-02607
Index: MOD-02607
See also
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!