RPi Expansion Boards

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Hardware & Peripherals:

Hardware - detailed information about the Raspberry Pi boards.

Hardware History - guide to the Raspberry Pi models.

Low-level Peripherals - using the GPIO and other connectors.

Expansion Boards - GPIO plug-in boards providing additional functionality.

Screens - attaching a screen to the Raspberry Pi.

Cases - lots of nice cases to protect the Raspberry Pi.

Other Peripherals - all sorts of peripherals used with the Raspberry Pi.


Introduction

On the Raspberry Pi, there are several connections which can be used for expansion:

  • The Rpi GPIO (General Purpose Input/Output) pins are exposed, that means that expansion boards are able to talk directly to the CPU.
  • The DSI connector will allow low-level interfacing with LCDs and other displays.
  • The CSI connector will allow camera modules to be added in future.

Current expansion boards

Heber x10i

Heber Ltd has developed a USB expansion board containing a fully protected DIO, Real time clock (RTC), Battery backed SRAM, Unique serial number, A small amount of write once memory, High drain outputs, Stepper motor driver, Serial ports, Power off sensing, Security, Audio amplifier. The board is available with disk image now, and has C/C++ drivers.

Arduino Shield and Raspberry Pi

a little board with Arduino socket and Raspberry Pi socket you can power the boards with 12Volt or 5Volt http://www.progetti-hw-sw.it/raspberry.htm

Buffer Board

Buffer Board How to make a Pi Buffer on Veroboard. Each of the 14 outputs can drive up to 500mA using a Darlington array.

Buzzberry Buzz-Board Interface

Buzzberry is an interface board enabling expansion using the Buzz-Board modular system designed primarily for educational use.

CJE/4D RTC

On 2nd January 2012, CJE/4D announced that they have a real-time clock (RTC) expansion board in the works: [1]

GertBoard

main page: RPi Gertboard

This board is a buffer between your Rpi and the real world, use it to flash LEDs on and off, drive motors, run sensors and all that other fun stuff.[1]

GPIO isolated expansion/RTC

UT Electronics is developing a expansion board containing a fully isolated 16-I/O I2C GPIO expander and RTC, with extensive options for further expansion. C and Python libraries will be available at launch. The board will probably be sold as a kit, with SMT components already in place.

aLaMode

“À la mode” is an Arduino clone specifically designed to interface with the Raspberry Pi. You can of course connect a standard Arduino to a Pi USB port using a cord, but when you want a turnkey solution, how about an Arduino compatible “plate” (shield) that fits right on top of the Raspberry Pi with direct access to GPIO port? The Linux side handles all of the displays, human interfaces, and number crunching. The low power Arduino compatible “à la mode” board handles sensors, servos/motors, and provides a highly accurate real time clock.

PiBorg

PiBorg is a Robotics add on board which adds the ability to control motors - from small to large (including DC motors, Stepper motors, BLDC motors and Solenoids) from your Raspberry Pi. It supports feedback via Encoders and Potentiometers, allowing closed loop (servo) control of motors to set positions, velocities and accelerations and it is capable of monitoring drive current and voltages. The loop is PID based and as PiBorg is an Open Source project, you may change the code as you please. It has the ability to drive 10A motors and more, so you'll never be left underpowered with this board!

Piface

Piface is simpler than the RPi Gertboard (it's aimed at less experienced users), but also intended to connect to PCs and Android to be platform agnostic

Pi232 RS232 board

Pi232 is an RS232 expansion board that plugs onto GPIO connector.

PiDuino

Youtube video showing prototype board

Pi Plates

Adafruit Industries announced in March 2012 the intention of making expansion boards for the Raspberry Pi under the "OPi Plate" name.[2].

The first board available is a prototyping board that overlays the Raspberry Pi via a long plug-in header. It has screw terminals for all the Pi GPIO lines.

Pi-Wire

Pi-Wire Homelabs are developing options for connection of a 1-wire bus to the RaspberryPi. Boards include SPI breakout connections for future boards.

Ponte

PONTE initial post An arduino shield bridge from Omer and SKPang

Quick2Wire GPIO Expansion Board

Quick2Wire GPIO board and experimenters kit is an extension board for the Raspberry Pi that has level converters to allow the driving of TTL and real world devices such as LED's and switches. It will also provide an experimenters kit, a software framework and a number of tutorials.

Raspberry Pi IO Interface

forum thread showing 'paper mockup'. Another buffered IO expander.

Relay board and Raspberry Pi GPIO

a board with 8 relays and 8 input with a Raspberry Pi socket you can power the boards with 12Volt, the board has a DIN rail container http://www.progetti-hw-sw.it/raspberry.htm

MiniPiio DIO16

MiniPiio DIO16 is a small (50x40mm) add-on board which provides an additional 16-channels of Digital Input/Outputs for the RPi. It can use either a MCP23S17 (SPI) or MCP23017 (I2C) Port Expander.

MiniPiio RS232

MiniPiio RS232 is a small (50x40mm) add-on board which provides a basic RS232 to TTL interface for the RPi. It uses a 3.3V MAX3232 to provide the RS232 interface.

MiniPiio ULN2803

MiniPiio ULN2803 is a small(50x40mm) add-on board which connects a ULN2803 Darlington Driver chip to the RPi's GPIO allowing the RPi to control electronic circuits which require more current to drive them.

RPi MIDI Breakout Board

RPi MIDI Breakout Board is a simple MIDI breakout board for the Raspberry Pi using the hardware UART from the RPi's expansion interface

RPi Protoboard SM

RPi Protoboard SM is a simple prototype board for the Raspberry Pi
another link to the same project?

RPi "UserPort"

RPi UserPort is a digital and analogue I/O board for the Raspberry Pi. UserPort replicates the original BBC Micros digital User Port and Analogue Port but uses more modern components such as the MCP23S17 16-ch GPIO and MCP3204 4-ch 12-bit ADC.

rpi_serial

BitWizard has a Raspberrypi serial breakout board. It breaks out four serial buses from the GPIO port.

BitWizard then has a series SPI (or I2C) expansion boards that can be daisy-chained off the SPI (or I2C) buses of the expansion board. A virtually unlimited number of expansion boards can be connected. Expansion boards are available that drive a simple 16x2 text LCD, more general purpose IOs, servos, temperature sensors, relays, optocouplers etc.

RPi RS232 Breakout Board

RPi RS232 Breakout Board is a simple RS232 breakout board for the Raspberry Pi

Slice of Pi

Slice of Pi Ciseco have produced a convienient small break out board for the Raspberry PI. XBee style connector for XRF / XBee / RN-XV / XBT / RF-BEE etc. Has the SPI and I2C pins on one standard 8 way header and the Raspberry PI's 8 general purpose I/O pins on another for easy access. Comes as a kit of parts that needs to be soldered. Construction is very easy and suitable for children with basic soldering skills.

XBee ZB SMT Backpack

The Raspberry Pi XBee ZB SMT Backpack by bootc is a carrier board for Digi XBee ZB SMT modules. These are different to the normal XBee modules because they are surface mount and additionally can interface to a host using SPI as well as serial. The backpack also features 3 LEDs for status signals as well as two FTDI headers (one for the RPi and one for the XBee), as well as being able to host a 'normal' XBee module (though of course you can't use SPI with those).

Raspberry GELI - GPIO Extension and Lab Interface Board

Raspberry Geli Board Extends the GPIO and provides I2C, D2A/A2D, DC Motor(L298), RS232, Realtime Clock (DS1307), 1-wire and prototyping area on 150 * 100mmm PCB.

References

  1. http://www.raspberrypi.org/archives/411
  2. http://www.adafruit.com/blog/2012/03/14/adafruit-experimenting-with-pi-plates-for-raspberry_pi-shields-for-the-raspberry-pi/
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