Preassembled 40-pin Pi Wedge Hookup Guide

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Contributors: Byron J.
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Resources and Going Further

If you want more detailed information about the Wedge and the interfaces it breaks out, check out the following materials:

  • To take a closer look at programming for the I/O on a Pi, in both Python and C, take a look at our Raspberry gPIo tutorial.
  • If you want to use the synchronous serial interface broken out by the wedge, you can learn more in out I2C & SPI tutorial
  • The design files for the PCB, and some WiringPi software examples can be found in the 40-pin Pi Wedge GitHib repository.

Raspberry gPIo

How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.

Raspberry Pi SPI and I2C Tutorial

Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.

Python Programming Tutorial: Getting Started with the Raspberry Pi

This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.

Python GUI Guide: Introduction to Tkinter

Tkinter is the standard graphical user interface package that comes with Python. This tutorial will show you how to create basic windowed applications as well as complete full-screen dashboard examples complete with live graph updates from matplotlib.

Looking for more inspiration? Check out these other Rasperry Pi tutorials:

Single Board Computer Benchmarks

How to set up different benchmarking programs on single board computers or computing modules and run them. The results for various generations are shown on the subsequent pages.

Lumenati Hookup Guide

Lumenati is our line of APA102c-based addressable LED boards. We'll show you how to bring the sparkle to your projects!

Qwiic Atmospheric Sensor (BME280) Hookup Guide

Measure temperature, humidity, barometric pressure with the SparkFun Atmospheric Sensor Breakout BME280 (Qwiic).

Advanced Autonomous Kit for Sphero RVR Assembly Guide

Get your Advanced Autonomous Kit for the Sphero RVR built up with this hookup guide!

For more information about the Raspberry Pi B+ and the software described here, please visit their sites.


If you have any problems or questions, our technical support department can help. Please don’t hesitate to contact us. We also love to hear about your projects!