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AI Overview
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 60 products
SparkFun Qwiic OLED Display (0.91 in., 128x32)
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The SparkFun Qwiic OLED Display is a compact 0.91″ (diagonal) monochrome OLED screen with 128 × 32 pixel resolution, capable of displaying up to four lines of text. As an OLED, it has no backlight layer — resulting in a thinner profile, lower power consumption, and higher contrast compared to LCD...
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...
RFID Qwiic Kit with ID-12LA 125kHz Reader
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This kit gives you the core hardware needed to start reading 125kHz RFID tags over I2C, without hunting for a separate reader module, antenna or wiring up a complex circuit. The box includes a SparkFun RFID Qwiic Reader, an ID-12LA RFID reader module, two 125kHz RFID cards and a 100mm Qwiic cable...
Indoor Air Quality Combo Sensor - SCD41/SEN55 (Qwiic)
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Build a detailed indoor air monitor with this Qwiic combo board, pairing Sensirion’s SCD41 CO2 sensor with the SEN55 environmental sensor node. Together they measure CO2, volatile organic compounds (VOCs), particulate matter across PM1.0, PM2.5, PM4 and PM10, temperature and relative humidity.The...
SparkFun Qwiic Kit for Raspberry Pi
The SparkFun Qwiic Kit for Raspberry Pi provides everything you need to start using I2C sensors and displays with your Raspberry Pi via the Qwiic connector system. The kit includes a Qwiic HAT that adds four Qwiic connectors to your Pi's GPIO header, along with three sensor/display breakouts and ...
SparkFun High Precision Temperature Sensor - TMP117 (Qwiic)
The SparkFun Qwiic TMP117 breakout is a high precision temperature sensor equipped with an I2C interface. It outputs temperature readings with high precision of ±0.1°C across the temperature range of -20°C to +50°Cs with no calibration and a maximum range from -55°C to 150°C. The SparkFun High Pr...
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...
LIS3DH Micro Triple Axis Accelerometer Breakout (Qwiic)
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This ultra-small Qwiic-enabled breakout adds three-axis acceleration sensing to compact projects using the LIS3DH, a smart, low-power capacitive micro-machined accelerometer with 12-bit resolution. It can be used for translation detection and is classified as a 3DoF, or 3 Degrees of Freedom, sens...
SparkFun Mini Linear 3D Hall-Effect Sensor - TMAG5273 (Qwiic)
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The SparkFun TMAG5273 Qwiic Mini Linear 3D Hall-Effect Sensor is a low-power, high-precision magnetic field sensor that can detect a magnetic field's presence, strength, and direction in three dimensions. This board is perfect for applications involving magnetic proximity detection, door and wind...
Qwiic Capacitive Soil Moisture Sensor
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This capacitive soil moisture breakout is designed for plant monitoring projects where exposed metal probes can corrode after time in the dirt. It measures moisture using a capacitive plate embedded in the board, managed by a CY8CMBR3102 Capsense® Express™ controller for improved durability in co...
SparkFun Qwiic MicroPressure Sensor
The SparkFun Qwiic MicroPressure Sensor is a miniature breakout equipped with Honeywell's MPR Series piezoresistive silicon pressure sensor. This MicroPressure Sensor offers a wide pressure sensing range of 60mbar to 2.5bar, easy to read 24 bit digital I2C output, and can be calibrated and compen...
SparkFun Qwiic Twist - RGB Rotary Encoder Breakout
The SparkFun Qwiic Twist is a digital RGB rotary encoder breakout with built-in I²C interface. It handles all interrupt management, switch debouncing, and LED PWM internally, presenting encoder position, button state, and RGB colour control over a simple I²C connection via Qwiic connectors. The ...
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 Qwiic Navigation Switch
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Product Overview Meet the SparkFun Navigation Switch, a nifty little addition to your I²C bus that features a 5-way tactile switch akin to a joystick! This compact component allows you to interact with your microcontroller by pushing the switch in any of five directions—up, down, left, right, or...
SparkFun Qwiic ToF Imager - VL53L5CX
The SparkFun Qwiic ToF Imager is a state of the art, 64 pixel Time-of-Flight (ToF) 4 meter ranging sensor built around the VL53L5CX from ST. This chip integrates a SPAD array, physical infrared filters, and diffractive optical elements (DOE) to achieve the best ranging performance in various ambi...
Qwiic OLED Display - 1.5in 128x128
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This compact OLED board gives your project a crisp monochrome white-on-black interface in a 1.5-inch square form factor. With 128x128 pixels and a 1:1 aspect ratio, it suits custom graphics, menus, status screens and data plotting.The display uses Chip-on-Glass (COG) OLED technology, so each pixe...
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 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...
JST SH 4-pin Right Angle Connector (10-pack) - Qwiic Compatible
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A 10-pack of JST SH 4-pin right-angle connectors with 1 mm pitch through-hole mounting tabs. These are the standard connectors used with the Qwiic and STEMMA QT ecosystems, making it easy to add I2C connectivity to your own PCB designs. The solid plastic housing accepts standard Qwiic cables, an...
