Qwiic pHAT Extension for Raspberry Pi 400 Hookup Guide

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Introduction

The SparkFun Qwiic pHAT extension for the Raspberry Pi 400 is the quick and easy solution to access the GPIO, stack your favorite pHAT right-side up, or connect a Qwiic-enabled device to the I2C bus (GND, 3.3V, SDA, and SCL).

SparkFun Qwiic pHAT Extension for Raspberry Pi 400

SparkFun Qwiic pHAT Extension for Raspberry Pi 400

DEV-17512
$4.95

Required Materials

To follow along with this tutorial, you will need the following materials. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

Raspberry Pi 400

You'll need a Raspbery Pi 400s. There are two options available. One that is just the Raspberry Pi 400 sold individually. Another that is sold in a kit with everything but the monitor.

Raspberry Pi 400 Personal Computer Kit

Raspberry Pi 400 Personal Computer Kit

KIT-17377
$100.00
25
Raspberry Pi 400 Personal Computer (Unit Only)

Raspberry Pi 400 Personal Computer (Unit Only)

DEV-17376
$70.00

Qwiic-Enabled Device

Now you probably didn't buy the Qwiic pHAT extension if you didn't have any Qwiic products to use with it, right? If you don't have any Qwiic products, the following might not be a bad place to start since they have a Python drivers written for the devices.

SparkFun 9DoF IMU Breakout - ICM-20948 (Qwiic)

SparkFun 9DoF IMU Breakout - ICM-20948 (Qwiic)

SEN-15335
$16.95
4
SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)

SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)

SEN-14348
$35.95
20
SparkFun GPS Breakout - XA1110 (Qwiic)

SparkFun GPS Breakout - XA1110 (Qwiic)

GPS-14414
$49.95
5
SparkFun Proximity Sensor Breakout - 20cm, VCNL4040 (Qwiic)

SparkFun Proximity Sensor Breakout - 20cm, VCNL4040 (Qwiic)

SEN-15177
$6.95
1

You'll need our handy Qwiic cables to easily connect sensors to your Qwiic pHAT. Below are a few options.

Qwiic Cable - 100mm

Qwiic Cable - 100mm

PRT-14427
$1.50
Qwiic Cable - 50mm

Qwiic Cable - 50mm

PRT-14426
$0.95
Qwiic Cable - 500mm

Qwiic Cable - 500mm

PRT-14429
$1.95
1
Qwiic Cable - 200mm

Qwiic Cable - 200mm

PRT-14428
$1.50

Required Setup Tools

As a desktop, these devices are required. If you received the Raspberry Pi 400 Kit, you'll just need a display and cable. Depending on your display, you may need an HDMI converter to connect to older monitors and TVs.

Suggested Reading

If you aren't familiar with the Qwiic system, we recommend reading here for an overview.

Qwiic Connect System
Qwiic Connect System

We would also recommend taking a look at the following tutorials if you aren't familiar with them.

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

I2C

An introduction to I2C, one of the main embedded communications protocols in use today.

Serial Terminal Basics

This tutorial will show you how to communicate with your serial devices using a variety of terminal emulator applications.

Raspberry gPIo

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