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Qwiic and STEMMA QT

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Qwiic/STEMMA QT-Compatible Cable - JST-SH 4-Pin (50mm) by The Pi Hut - The Pi HutQwiic/STEMMA QT-Compatible Cable - JST-SH 4-Pin (50mm) by The Pi Hut - The Pi Hut
STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable (150mm Long) by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable (150mm Long) by The Pi Hut - The Pi Hut
STEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets - 150mm Long by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets - 150mm Long by The Pi Hut - The Pi Hut
JST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic by The Pi Hut - The Pi HutJST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic by The Pi Hut - The Pi Hut
STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long by The Pi Hut - The Pi Hut
STEMMA QT / Qwiic JST SH 4-Pin Cable - 200mm Long by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-Pin Cable - 200mm Long by The Pi Hut - The Pi Hut
STEMMA QT / Qwiic JST SH 4-Pin Cable - 300mm long by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-Pin Cable - 300mm long by The Pi Hut - The Pi Hut
The Pi HutSTEMMA QT / Qwiic JST SH 4-Pin Cable - 300mm long
Sale price £1.50 incl. VAT excl. VAT
STEMMA QT / Qwiic JST SH 4-Pin Cable - 400mm long by The Pi Hut - The Pi HutSTEMMA QT / Qwiic JST SH 4-Pin Cable - 400mm long by The Pi Hut - The Pi Hut
The Pi HutSTEMMA QT / Qwiic JST SH 4-Pin Cable - 400mm long
Sale price £1.50 incl. VAT excl. VAT
Arduino UNO R4 WiFi by Arduino - The Pi HutArduino UNO R4 WiFi by Arduino - The Pi Hut
ArduinoArduino UNO R4 WiFi
Sale price £25 incl. VAT excl. VAT
4-pin JST PH to JST SH Cable - STEMMA to QT / Qwiic (200mm long) by The Pi Hut - The Pi Hut4-pin JST PH to JST SH Cable - STEMMA to QT / Qwiic (200mm long) by The Pi Hut - The Pi Hut
Adafruit Qwiic / Stemma QT 5 Port Hub by Adafruit - The Pi HutAdafruit Qwiic / Stemma QT 5 Port Hub by Adafruit - The Pi Hut
AdafruitAdafruit Qwiic / Stemma QT 5 Port Hub
Sale price £2.40 incl. VAT excl. VAT
Adafruit TDK InvenSense ICM-20948 9-DoF IMU (MPU-9250 Upgrade) (STEMMA QT / Qwiic) by Adafruit - The Pi HutAdafruit TDK InvenSense ICM-20948 9-DoF IMU (MPU-9250 Upgrade) (STEMMA QT / Qwiic) by Adafruit - The Pi Hut
Olimex PICO2-XL - RP2350 Board with 48 GPIO by Olimex - The Pi HutOlimex PICO2-XL - RP2350 Board with 48 GPIO by Olimex - The Pi Hut
OlimexOlimex PICO2-XL - RP2350 Board with 48 GPIO
Sale price £5.10 incl. VAT excl. VAT
Adafruit Qwiic / Stemma QT Breakout Board by Adafruit - The Pi HutAdafruit Qwiic / Stemma QT Breakout Board by Adafruit - The Pi Hut
AdafruitAdafruit Qwiic / Stemma QT Breakout Board
Sale price £1.90 incl. VAT excl. VAT
Olimex PICO2-XXL - RP2350 Board with 48 GPIO by Olimex - The Pi HutOlimex PICO2-XXL - RP2350 Board with 48 GPIO by Olimex - The Pi Hut
OlimexOlimex PICO2-XXL - RP2350 Board with 48 GPIO
Sale price £9.10 incl. VAT excl. VAT
Adafruit LIS3DH Triple-Axis Accelerometer (+-2g/4g/8g/16g) by Adafruit - The Pi HutAdafruit LIS3DH Triple-Axis Accelerometer (+-2g/4g/8g/16g) by Adafruit - The Pi Hut
Grove to STEMMA QT / Qwiic / JST SH Cable - 100mm long by The Pi Hut - The Pi HutGrove to STEMMA QT / Qwiic / JST SH Cable - 100mm long by The Pi Hut - The Pi Hut
Adafruit USB Type C Power Delivery Dummy - I2C or Switchable - HUSB238 - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit USB Type C Power Delivery Dummy - I2C or Switchable - HUSB238 - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Adafruit MCP23017 I2C GPIO Expander Breakout (STEMMA QT / Qwiic) by Adafruit - The Pi HutAdafruit MCP23017 I2C GPIO Expander Breakout (STEMMA QT / Qwiic) by Adafruit - The Pi Hut
Adafruit INA228 - I2C 85V, 20-bit High or Low Side Power Monitor - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit INA228 - I2C 85V, 20-bit High or Low Side Power Monitor - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Adafruit HDC3022 Precision Temperature & Humidity Sensor - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit HDC3022 Precision Temperature & Humidity Sensor - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C (USB-C & Stemma QT) by Adafruit - The Pi HutAdafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C (USB-C & Stemma QT) by Adafruit - The Pi Hut
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 (STEMMA QT) by Adafruit - The Pi HutAdafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 (STEMMA QT) by Adafruit - The Pi Hut
Adafruit MPU-6050 6-DoF Accel and Gyro Sensor - STEMMA QT Qwiic by Adafruit - The Pi HutAdafruit MPU-6050 6-DoF Accel and Gyro Sensor - STEMMA QT Qwiic by Adafruit - The Pi Hut
Adafruit DRV2605L Haptic Motor Controller - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit DRV2605L Haptic Motor Controller - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Adafruit QT Py RP2040 by Adafruit - The Pi HutAdafruit QT Py RP2040 by Adafruit - The Pi Hut
AdafruitAdafruit QT Py RP2040
Sale price £9.60 incl. VAT excl. VAT
Clipper HAT Mini (LTE 4G for Raspberry Pi) by Pimoroni - The Pi HutClipper HAT Mini (LTE 4G for Raspberry Pi) by Pimoroni - The Pi Hut
PimoroniClipper HAT Mini (LTE 4G for Raspberry Pi)
Sale price £30 incl. VAT excl. VAT
Adafruit QT Py ESP32-S3 WiFi Dev Board by Adafruit - The Pi HutAdafruit QT Py ESP32-S3 WiFi Dev Board by Adafruit - The Pi Hut
AdafruitAdafruit QT Py ESP32-S3 WiFi Dev Board
Sale price £12 incl. VAT excl. VAT
Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor - STEMMA JST PH & QT / Qwiic by Adafruit - The Pi HutAdafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor - STEMMA JST PH & QT / Qwiic by Adafruit - The Pi Hut
4-Pin JST-SH Cable Joiners (4-Pack) by 8086 - The Pi Hut4-Pin JST-SH Cable Joiners (4-Pack) by 8086 - The Pi Hut
80864-Pin JST-SH Cable Joiners (4-Pack)
Sale price £2.40 incl. VAT excl. VAT
Adafruit VL53L4CD Time of Flight Distance Sensor - ~1 to 1300mm (STEMMA QT / Qwiic) by Adafruit - The Pi HutAdafruit VL53L4CD Time of Flight Distance Sensor - ~1 to 1300mm (STEMMA QT / Qwiic) by Adafruit - The Pi Hut
Adafruit DS3231 Precision RTC - STEMMA QT by Adafruit - The Pi HutAdafruit DS3231 Precision RTC - STEMMA QT by Adafruit - The Pi Hut
AdafruitAdafruit DS3231 Precision RTC - STEMMA QT
Sale price £13.40 incl. VAT excl. VAT
Pimoroni Pico Plus 2 by Pimoroni - The Pi HutPimoroni Pico Plus 2 by Pimoroni - The Pi Hut
PimoroniPimoroni Pico Plus 2
Sale price £12.90 incl. VAT excl. VAT
Adafruit TSL2591 High Dynamic Range Digital Light Sensor (STEMMA QT) by Adafruit - The Pi HutAdafruit TSL2591 High Dynamic Range Digital Light Sensor (STEMMA QT) by Adafruit - The Pi Hut
Adafruit Feather RP2040 with USB Type A Host by Adafruit - The Pi HutAdafruit Feather RP2040 with USB Type A Host by Adafruit - The Pi Hut
AdafruitAdafruit Feather RP2040 with USB Type A Host
Sale price £16.80 incl. VAT excl. VAT
Pimoroni Presto by Pimoroni - The Pi HutPimoroni Presto by Pimoroni - The Pi Hut
PimoroniPimoroni Presto
Sale priceFrom £69 incl. VAT excl. VAT
Pico Display Pack 2.8" by Pimoroni - The Pi HutPico Display Pack 2.8" by Pimoroni - The Pi Hut
PimoroniPico Display Pack 2.8"
Sale price £18.90 incl. VAT excl. VAT
Adafruit ESP32-S3 Feather with 4MB Flash 2MB PSRAM - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit ESP32-S3 Feather with 4MB Flash 2MB PSRAM - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Adafruit ESP32 Feather V2 -  8MB Flash + 2 MB PSRAM (STEMMA QT) by Adafruit - The Pi HutAdafruit ESP32 Feather V2 -  8MB Flash + 2 MB PSRAM (STEMMA QT) by Adafruit - The Pi Hut
Qwiic Cable - Grove Adapter (100mm) by Sparkfun - The Pi HutQwiic Cable - Grove Adapter (100mm) by Sparkfun - The Pi Hut
SparkfunQwiic Cable - Grove Adapter (100mm)
Sale price £2.20 incl. VAT excl. VAT
Adafruit APDS9960 Proximity, Light, RGB, and Gesture Sensor (STEMMA QT / Qwiic) by Adafruit - The Pi HutAdafruit APDS9960 Proximity, Light, RGB, and Gesture Sensor (STEMMA QT / Qwiic) by Adafruit - The Pi Hut
Adafruit RP2040 CAN Bus Feather with MCP2515 CAN Controller - STEMMA QT by Adafruit - The Pi HutAdafruit RP2040 CAN Bus Feather with MCP2515 CAN Controller - STEMMA QT by Adafruit - The Pi Hut
INA219  High Side DC Current Sensor Breakout - 26V ±3.2A Max (STEMMA QT) by Adafruit - The Pi HutINA219  High Side DC Current Sensor Breakout - 26V ±3.2A Max (STEMMA QT) by Adafruit - The Pi Hut
BME688 4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity) by Pimoroni - The Pi HutBME688 4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity) by Pimoroni - The Pi Hut
SparkFun Qwiic Adapter by Sparkfun - The Pi HutSparkFun Qwiic Adapter by Sparkfun - The Pi Hut
SparkfunSparkFun Qwiic Adapter
Sale price £1.50 incl. VAT excl. VAT
Adafruit VEML7700 Lux Sensor - I2C Light Sensor - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit VEML7700 Lux Sensor - I2C Light Sensor - STEMMA QT / Qwiic by Adafruit - The Pi Hut
Display HAT Mini by Pimoroni - The Pi HutDisplay HAT Mini by Pimoroni - The Pi Hut
PimoroniDisplay HAT Mini
Sale price £18.90 incl. VAT excl. VAT
Adafruit I2C Stemma QT Rotary Encoder Breakout with Encoder - STEMMA QT / Qwiic by Adafruit - The Pi HutAdafruit I2C Stemma QT Rotary Encoder Breakout with Encoder - STEMMA QT / Qwiic by Adafruit - The Pi Hut

Explore our collection of Qwiic and STEMMA QT products - two solderless, plug-and-play I²C connection ecosystems designed to simplify prototyping and expand your electronics projects.

The Qwiic system by SparkFun and STEMMA QT by Adafruit both use a standard 4-pin JST SH connector with 1mm pitch, allowing easy I²C connectivity between sensors, displays, microcontrollers, and more. We have a dedicated section for Qwiic cables, to help you quickly find what you need.

These systems are cross-compatible, meaning you can mix and match boards and accessories from either ecosystem with no need for soldering or complex wiring. The connectors carry power, ground, data, and clock lines - making it simple to build modular projects quickly and cleanly.

What's the difference between STEMMA QT and Qwiic?

Whilst the connectors and pinout are identical, STEMMA QT supports both 3.3V and 5V logic with onboard level shifting, whereas Qwiic is usually strictly 3.3V. This is because the Qwiic ecosystem undertakes the level shifting on the main controller only (not on the various Qwiic sensors and devices).