- Expands I2C capacity to connect up to 8 devices with identical I2C addresses.
- Compatible with 3.3V or 5V microcontrollers.
- Easy connection via STEMMA QT or Qwiic interface.

Adafruit
Showing 97–125 of 125 results
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Distance Sensor
Adafruit VL53L4CX Time of Flight Distance Sensor – ~1 to 6000mm
SKU: R192742- Distance Range: 1 mm to 6 meters for accurate distance measurements.
- Multi-Object Detection: Can detect multiple objects and their distances simultaneously.
- 18° Field of View: Focused sensing for precise measurements.
- Low Power: Efficient power consumption for long-term usage.
- Easy Integration: STEMMA QT connectors for solderless connection to microcontrollers.
- Improved Performance: Enhanced accuracy for long-distance sensin
SKU: R192742 -
Temperature & Humidity Sensor
Adafruit Trinkey QT2040 – RP2040 USB Key with Stemma QTÂ
SKU: R192750- RP2040 microcontroller: Dual-core Cortex M0+ running at 125MHz.
- 8MB QSPI Flash: Store code and files for CircuitPython/MicroPython.
- STEMMA QT port: Easy I2C sensor integration with no soldering.
- USB Type A connector: Plugs directly into your computer’s USB port.
- RGB NeoPixel LED: Visual feedback for status.
- Reset and Bootloader Buttons: Easy code reloading without re-plugging.
SKU: R192750 -
Temperature & Humidity Sensor
Adafruit TMP235 – Plug-and-Play STEMMA Analog Temperature Sensor – TMP235Â
Temperature & Humidity SensorAdafruit TMP235 – Plug-and-Play STEMMA Analog Temperature Sensor – TMP235Â
SKU: R192752- Analog Output: 0V at -50°C, 1.75V at 125°C.
- Easy Setup: No libraries needed.
- Microcontroller Compatible: Works with Arduino.
- STEMMA Connector: Easy cable integration.
- 3V-5V Power: Wide voltage range.
SKU: R192752 -
ARM Microcontroller
Adafruit STEMMA Non-Latching Mini Relay – JST PH 2mmÂ
SKU: R192749- High-power control: Can handle up to 250VAC or DC
- Ideal for small appliances: Control lights, fans, and solenoids with ease.
- Safe for beginners: No need to worry about flyback protection or level shifting.
- Compact design: Fits easily on breadboards for prototyping.
- Voltage caution: Use with caution when dealing with high voltages
SKU: R192749 -
Breakout Board
Adafruit MOSFET Driver – For Motors, Solenoids, LEDs, etc – STEMMA JST PH 2mmÂ
SKU: R192748- Plug-and-play: No soldering, easy connection with JST PH connectors.
- High-power handling: Suitable for motors, LEDs, and solenoids up to 3A peak.
- Inductive Kickback Protection: Ensures safe operation when switching inductive loads.
- MOSFET Driver: Ideal for controlling high-current loads through low-power microcontroller pins.
SKU: R192748 -
Boards Compatible with Arduino
Out of stock
Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor – STEMMA JST PH & QT / QwiicÂ
Boards Compatible with ArduinoAdafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor – STEMMA JST PH & QT / QwiicÂ
SKU: R192739- Battery Monitoring: Accurately tracks charge levels of 1S LiPo/LiIon batteries (3.7-4.2V).
- I2C Interface: Simple connection to microcontrollers like Arduino, Raspberry Pi, etc.
- Low-Power Modes: Customizable low-power settings and alerts.
- STEMMA QT Connectors: Enables easy, solderless connections for quick prototyping.
- Wide Compatibility: Works with both 3.3V and 5V logic.
SKU: R192739 -
Breakout Board
Adafruit LTC4311 I2C Extender / Active Terminator
SKU: R192736- Boosts I2C over long distances (up to 100 feet).
- Improves signal integrity for reliable communication.
- No special setup needed: plug-and-play with no firmware adjustments.
- Supports up to 400 KHz speed.
- Low power consumption with auto standby mode.
SKU: R192736 -
Pressure Sensor
Adafruit LPS28 (LPS28DFW) Pressure Sensor
SKU: R192735- Pressure range: 260–4060 hPa.
- Accuracy: ±0.5 hPa, 24-bit data output.
- Sampling rate: Up to 200 Hz.
- Interface: I2C/MIPI I3CSM.
- Embedded features: Temperature compensation, FIFO, interrupts.
- Applications: Underwater/robotic systems, altitude sensing.
SKU: R192735 -
USB Interface Module
Adafruit Ethernet FeatherWingÂ
SKU: R192753- Wired Internet: Adds reliable Ethernet connectivity to Feather boards.
- WIZ5500 Chip: Communicates via SPI with a single CS pin.
- Ethernet Client: Works with the Arduino Ethernet2 library (server not supported).
- Link & Activity LEDs: Shows connection status via RJ-45 jack lights.
- PoE Compatibility: Add a PoE splitter for Power over Ethern
SKU: R192753 -
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USB Interface Module
Adafruit CAN Bus FeatherWing – MCP2515Â
SKU: R192754- MCP2515 Controller: Popular and supported for CAN Bus communication.
- 1 Mbps Data Rate: High-speed communication for reliable data transfer.
- 5V Charge-Pump: Converts 3.3V from Feather to 5V for the transceiver.
- 3.5mm Terminal Block: Easy access to High, Low, and Ground data lines.
- 120 Ohm Resistor: Optional termination for network setup.
- DE-9 Connector: Option to connect to car’s CAN network (soldering required).
- Temperature Range: -40°C to 125°C for versatile use.
SKU: R192754 -
Boards Compatible with Arduino
Adafruit 555 PWM Output STEMMA – 1.5K~25 KHz or 1.5~250 Hz – STEMMA JST PH 2mmÂ
Boards Compatible with ArduinoAdafruit 555 PWM Output STEMMA – 1.5K~25 KHz or 1.5~250 Hz – STEMMA JST PH 2mmÂ
SKU: R192737- Adjustable PWM output: Two frequency ranges
- Buffered output: 74HC1G04 buffer, capable of sinking/sourcing up to 12.5mA
- Easy to use: No soldering required, works with 3V to 12VDC power supply
- Fine-tuning: Onboard trimmer pot for frequency adjustment
- Versatile applications: Ideal for audio signals, piezo buzzers, and modulating IR signals
SKU: R192737 -
USB Interface Module
Adafruit RS-232 Full Pinout Level-Shifter Breakout
SKU: R155782- Operating Supply Voltage: 3V to 5.5V VCC
- Interface: Single-chip and single-supply interface for IBMâ„¢ PC/ATâ„¢ serial port
- ESD Protection: RS-232 bus-pin ESD protection of ±15 kV using Human-Body Model (HBM)
- Standards Compliance: Meets or exceeds TIA/EIA-232-F and ITU V.28 standards
SKU: R155782 -
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Bluetooth and NRF Modules
Adafruit LED Glasses Driver – nRF52840 Sensor Board
SKU: 1444361- ARM Cortex M4F (with HW floating point acceleration) running at 64MHz
- 1MB flash and 256KB SRAM
- Bluetooth Low Energy compatible 2.4GHz radio (Details available in the nRF52840 product specification)
- FCC / IC / TELEC certified module with up to +8dBm output power
- 2MB external QSPI flash for Circuit Python file storage
SKU: 1444361 -