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Qwiic is SparkFun’s 4-pin JST-SH (1.0mm) I2C plug-and-play ecosystem (also compatible with STEMMA QT). Here are the most useful picks depending on what you’re trying to do:
Get started (cables/adapters)
- If you want a variety of cable lengths in one go: SparkFun Qwiic Cable Kit ($29.75)
- To convert a classic I2C breakout to Qwiic: SparkFun Qwiic Adapter ($3.25)
Add more Qwiic ports (hubs/splitters)
- Simple way to add extra ports to a single-connector board: SparkFun Qwiic MultiPort ($5.05)
- Star-style hub with 4 extra Qwiic ports: Qwiic MultiStar Constellation Ornament ($11.05)
- Compact splitter for up to 5 ports (Qwiic/STEMMA QT): Adafruit Qwiic / Stemma QT 5 Port Hub ($5.30)
Bridge to other connector ecosystems
- Qwiic to Grove adapter cable: Qwiic Cable - Grove Adapter (150mm) ($4.95)
- Grove/STEMMA to Qwiic/STEMMA QT JST-SH adapter: 4-pin JST PH to JST SH Cable - STEMMA / Grove to QT / Qwiic - 200mm long ($2.15)
- Another Grove-to-Qwiic cable option: Grove to STEMMA QT / Qwiic / JST SH Cable - 100mm long ($4.15)
- Longer Qwiic-to-STEMMA cable: Flexible Qwiic to STEMMA Cable - 500mm ($7.10)
Add Qwiic to Raspberry Pi / Arduino / Feather-style boards
- Raspberry Pi add-on with Qwiic ports: SparkFun Qwiic HAT for Raspberry Pi ($13.35)
- Minimal Pi option to add a single connector: SparkFun Qwiic SHIM for Raspberry Pi ($3.55)
- Arduino shield for Qwiic I2C: SparkFun Qwiic Shield for Arduino ($16.50)
- Feather/Thing Plus connector add-on: SparkFun Qwiic / Stemma QT FeatherWing (Shield for Thing Plus) ($14.15)
- Pi starter bundle: SparkFun Qwiic Kit for Raspberry Pi ($121.35)
Popular Qwiic devices (examples)
- Sensor for gardening/projects: Qwiic Soil Moisture Sensor ($12.90)
- Easy numeric/text output: Qwiic Alphanumeric Display - Blue ($20.20)
- Sharp 128x128 OLED UI: Qwiic OLED Display - 1.5in 128x128 ($58.90)
- Environmental sensing: SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic) ($34.25) or SparkFun Environmental Sensor Breakout - BME680 (Qwiic) ($46.50)
- Advanced colour/light measurement: AS7343 Qwiic Spectral Sensor ($43.20)
Control / logging / input over I2C
- Switch loads via I2C relay: Qwiic Relay - 1x1A DPDT ($18.35)
- Log data to microSD over I2C: SparkFun Qwiic OpenLog ($42.30)
- Rotary encoder input with RGB: SparkFun Qwiic Twist - RGB Rotary Encoder Breakout ($51.60)
- I2C motor control: SparkFun Qwiic Motor Driver ($48.10)
What are you looking for in the Qwiic ecosystem?
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Showing 1-20 of 49 products · 11 unavailable products hidden
SparkFun Qwiic OLED - (1.3in., 128x64)
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The SparkFun Qwiic 1.3in OLED is a compact, easy-to-use display perfect for adding a visual element to your Arduino, Raspberry Pi, or other microcontroller projects. With a vibrant 1.3-inch OLED screen and a resolution of 128x64 pixels that deliver crisp white-on-black, it's ideal for displaying ...
Qwiic MCP4725 12-Bit DAC Breakout
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Generate a real analogue output from your microcontroller instead of relying on PWM. This MCP4725 breakout is a 12-bit Digital-to-Analogue Converter (DAC) that outputs precise voltage levels over an I2C/Qwiic connection.It is useful for projects that need smoother control signals, such as sound g...
SparkFun Micro Triple Axis Accelerometer Breakout - BMA400 (Qwiic)
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The SparkFun Qwiic BMA400 Micro Triple Axis Accelerometer Breakout offers a 3-axis acceleration sensor perfect for ultra-low-power applications on an easy-to-use Micro Qwiic format breakout board. Dubbed the first "real" ultra-low power acceleration sensor, the BMA400 is perfect when used in both...
SparkFun Qwiic Mini dToF Imager - TMF8821
The SparkFun Qwiic Mini dToF TMF8821 Imager is a direct time-of-flight (dToF) sensor that includes a single modular package with an associated Vertical Cavity Surface Emitting Laser (VCSEL) from AMS. The dToF device is based on Single Photon Avalanche Photodiode (SPAD), time-to-digital converter ...
SparkFun Qwiic Shield for Teensy - Extended
An extended Qwiic shield that adds four Qwiic connectors to Teensy 4.1, Teensy 3.6, and Teensy 3.5 boards. Connects the I²C bus (GND, 3.3 V, SDA, SCL) to two horizontal and two vertical Qwiic ports for easy daisy-chaining of I²C sensors and actuators. Includes a PROG button that mirrors the Teen...
SparkFun Qwiic GPIO
The SparkFun Qwiic GPIO adds eight additional digital I/O pins to your project via I2C, based on the TCA9534 I/O Expander from Texas Instruments. Read and write pins just like standard Arduino digital pins using the included library — functions mirror familiar pinMode and digitalWrite calls. All...
SparkFun Qwiic OpenLog
The SparkFun Qwiic OpenLog is an I²C-based data logger that stores serial data to a microSD card. Based on the popular OpenLog, this version replaces the serial interface with I²C and Qwiic connectors, allowing you to daisy-chain multiple sensors and log data without occupying your serial port. ...
SparkFun Qwiic dToF Imager - TMF8821
The SparkFun Qwiic dToF TMF8821 Imager is a direct time-of-flight (dToF) sensor that includes a single modular package with an associated Vertical Cavity Surface Emitting Laser (VCSEL) from AMS. The dToF device is based on Single Photon Avalanche Photodiode (SPAD), time-to-digital converter (TDC)...
SparkFun Qwiic Mini dToF Imager - TMF8820
The SparkFun Qwiic Mini dToF TMF8820 Imager is a direct time-of-flight (dToF) sensor that includes a single modular package with an associated Vertical Cavity Surface Emitting Laser (VCSEL) from AMS. The dToF device is based on Single Photon Avalanche Photodiode (SPAD), time-to-digital converter ...
SparkFun Qwiic Shield for Teensy
The SparkFun Qwiic Shield for Teensy adds four Qwiic (I2C) connectors to your Teensy board, providing quick access to the SparkFun Qwiic ecosystem of sensors, actuators, and displays. Sized to fit the Teensy 4.0, Teensy 3.2, and Teensy LC footprints. The shield connects GND, 3.3V, SDA, and SCL f...
Adafruit Qwiic / Stemma QT Breakout Board
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The Adafruit Qwiic / STEMMA QT Breakout Board bridges the gap between the STEMMA QT / Qwiic connector world and standard 0.1" breadboard pins. One end has a JST SH-compatible connector for plug-and-play I2C, and the other has four 0.1" spaced pads for soldering headers or wires to a breadboard. ...
SparkFun Experiential Robotics Platform (XRP) Controller
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The SparkFun XRP Controller is the brain of the Experiential Robotics Platform (XRP), a hands-on educational robotics system designed for middle and high school students. Built around a Raspberry Pi Pico W, it provides WiFi and Bluetooth connectivity, a 6-axis IMU, dual motor drivers, and a Qwiic...
SparkFun Qwiic 5V Boost - AP3012K - SparkFun Electronics
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The SparkFun Qwiic 5V Boost simplifies interfacing 5V I2C devices with the 3.3V Qwiic ecosystem. It takes the 3.3V I2C signals and power from its Qwiic connectors and boosts them to 5V, available on the PTH pins. This is perfect for powering peripherals like RGB LEDs or DC fans commonl...
SparkFun Micro Absolute Digital Barometer - LPS28DFW (Qwiic)
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The SparkFun Qwiic LPS28DFW Micro Absolute Digital Barometer offers a unique barometer breakout featuring the LPS28DFW from STMicroelectronics© in the Qwiic Micro form factor. The LPS28DFW is an absolute barometer with a water-resistant package making it perfect for pressure measurement applicati...
SparkFun Qwiic Starter Kit for Raspberry Pi
The SparkFun Qwiic Starter Kit for Raspberry Pi provides everything you need to get started with I²C sensors on your Raspberry Pi using the Qwiic connect system. The kit includes the Qwiic pHAT v2.0, which adds four Qwiic connectors to your Pi's GPIO header, plus three sensor breakouts and connec...
SparkFun Qwiic Shield for Arduino
The SparkFun Qwiic Shield is an easy-to-assemble board that provides a simple way to incorporate the Qwiic Connect System with your Arduino-based device. This shield connects the I2C bus on your Arduino to a series of SparkFun Qwiic connectors and provides the circuitry to convert the 5V giv...
SparkFun Qwiic MultiPort
Qwiic is a very efficient way to quickly prototype an idea but not all Qwiic-enabled devices have two ports. The SparkFun Qwiic MultiPort adds additional ports to boards that have only one Qwiic port on the I2C bus. Once added, you can use it as a hub to add as many I2C devices to the bus as you ...
Adafruit PCA9548 8-Channel STEMMA QT / Qwiic I2C Multiplexer
Need to use multiple I2C devices that share the same address? The PCA9548 8-Channel STEMMA QT / Qwiic I2C Multiplexer lets you connect up to eight same-address I2C devices with completely solderless wiring. Nine JST SH connectors (1 input + 8 outputs in two rows of four) make it plug-and-play wit...
SparkFun GPS Breakout - Chip Antenna, SAM-M8Q (Qwiic)
The SparkFun SAM-M8Q GPS Breakout features a u-blox SAM-M8Q 72-channel GNSS receiver with a built-in chip antenna. It supports GPS, GLONASS, Galileo, and BeiDou constellations simultaneously, providing improved positional accuracy and faster satellite lock times. The board communicates over I2C ...
u-blox ZED-X20P Allband GNSS RTK Breakout (Qwiic)
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This GNSS RTK breakout brings the u-blox X20 engine to a maker-friendly board for high-precision positioning projects. It is designed around the ZED-X20P all-band receiver and can process signals from GPS, Galileo, BeiDou, QZSS and NavIC across all GNSS frequency bands, including L-band.The board...
