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Showing 1461-1480 of 11440 products
Adafruit AW9523 GPIO Expander and LED Driver Breakout - STEMMA QT / Qwiic
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The Adafruit AW9523 GPIO Expander and LED Driver Breakout adds 16 I/O pins to any I2C-capable microcontroller or single-board computer. What sets this expander apart is its built-in 256-step linear constant-current LED dimming — connect LEDs directly without current-limiting resistors for smooth,...
Adafruit Beginner LED Sewing Kit
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The Adafruit Beginner LED Sewing Kit has everything you need to start stitching glowing circuits with conductive thread. No soldering or microcontroller required — the included candle-flicker LEDs twinkle automatically for a warm, animated glow. With enough supplies for two projects with two LED...
Adafruit BH1750 Light Sensor - STEMMA QT / Qwiic
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The Adafruit BH1750 Light Sensor is a 16-bit ambient light sensor from Rohm that provides measurements directly in lux — the SI unit for illuminance. This makes it easy to compare readings against reference values or other sensors without manual calibration or conversion. Packaged on a STEMMA QT...
Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack
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The Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack combines a 1.2" 8×8 bicolour (red/green) LED matrix with an HT16K33 I2C driver backpack. Control all 128 LEDs with just two I2C wires — the driver chip handles multiplexing, constant-current drive, and 1/16-step dimming automatically....
Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino
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The Adafruit Bluefruit LE Shield adds Bluetooth Low Energy connectivity to your Arduino in a plug-in shield form factor. Solder the included headers, stack it on your Arduino, and start communicating wirelessly with iOS and Android devices — no special iOS certification required. The shield conn...
Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE)
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The Adafruit Bluefruit LE SPI Friend adds Bluetooth Low Energy connectivity to any microcontroller with just 4–5 GPIO pins. Using SPI instead of UART means no baud rate configuration or flow control to worry about — connect via MISO, MOSI, SCK, CS, and an interrupt pin, and you're ready to go. T...
Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)
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The Adafruit Bluefruit LE UART Friend adds Bluetooth Low Energy connectivity to any microcontroller or computer with a hardware or software serial port. With hardware flow control built in, you won't lose data during transmission. Connect via UART TX/RX pins, or use a standard FTDI cable for debu...
Adafruit BlueWhite 16x2 LCD+Keypad Kit for Raspberry Pi
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The Adafruit Blue & White 16×2 LCD + Keypad Kit is a Raspberry Pi add-on plate that provides a 16×2 character LCD display, 5 navigation buttons, and backlight control — all using just the two I2C pins on the Pi. The I2C bus remains shareable with other sensors and devices. The 4 directional butt...
Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
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Measure indoor environmental conditions with Bosch’s BME280 sensor on an easy-to-use Adafruit breakout. It combines temperature, barometric pressure and humidity sensing in a compact board that suits weather stations, room monitoring, data logging and altitude-aware projects.The sensor can commun...
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
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The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or SPI. In addition to standard environmental readings, the BME680 includes a sma...
Adafruit BME688 - Temperature, Humidity, Pressure and Gas Sensor
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The BME688 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or SPI. The BME688 is a drop-in replacement for the BME680, adding a programmable...
Adafruit BMP280 I2C or SPI Barometric Pressure Altitude Sensor
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The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibility for a wide range of weather sensing and altitude estimation projects. With ±...
Adafruit BMP388 - Precision Barometric Pressure and Altimeter
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The BMP388 from Bosch is a high-precision barometric pressure and temperature sensor, offering significantly improved altitude accuracy over the BMP280. With altitude noise as low as 0.1 metres and a relative accuracy of 8 Pascals (±0.5 m), it is an excellent choice for drone altitude hold, weara...
Adafruit BMP390 - Precision Barometric Pressure and Altimeter
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The BMP390 from Bosch (also known as BMP390L) is a high-precision barometric pressure and temperature sensor, offering the best altitude accuracy in the Bosch pressure sensor lineup. With relative accuracy of ±3 Pascals (±0.25 metres of altitude) and noise as low as 0.1 metres, it is ideal for dr...
Adafruit BMP581 I2C/SPI Temperature & Pressure Sensor
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This Bosch BMP581 breakout is a precision barometric pressure, temperature and altimeter sensor for environmental sensing, drones, wearables and projects that need to track height above sea level. It offers much finer pressure precision than earlier BMP2xx and BMP3xx generations, making it well s...
Adafruit BMP585 Ported I2C / SPI Temperature and Pressure Sensor
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The BMP585 from Bosch is a ported barometric pressure and temperature sensor featuring a tube attachment point for differential or remote pressure measurements. It delivers exceptional precision with altitude noise as low as 1 cm (0.08 Pa), making it one of the most precise pressure sensors in th...
Adafruit BNO055 + BMP280 BFF Add-On for QT Py
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The Adafruit BNO055 + BMP280 BFF is a compact add-on board that gives any QT Py or Xiao board powerful 9-degree-of-freedom (9-DoF) motion sensing plus barometric pressure and altitude measurement. It mounts directly onto the back of your QT Py, creating a tiny but capable sensor package. The BNO...
Adafruit Bonsai Buckaroo - micro:bit & CLUE Plant Care Helper
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The Bonsai Buckaroo is a compact add-on board for micro:bit and Adafruit CLUE that turns your board into a plant care monitoring and watering system. Bolt it on with 5 screws to get a buzzer, motor driver, and soil moisture sensing breakout. Connect two alligator clips and nails to measure soil ...
Adafruit bq25185 USB / DC / Solar Charger with 3.3V Buck Board
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The Adafruit bq25185 is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 3.3V buck converter. It is an excellent upgrade from MCP73833 or MCP73831-based chargers, combining power path management and regulated output in a single board. Con...
Adafruit bq25185 USB / DC / Solar Charger with 5V Boost Board
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The Adafruit bq25185 with 5V Boost is an all-in-one charging and power supply board that supports USB, DC, and solar charging with an integrated 5V boost converter. It is designed for projects that need a stable 5V supply from a single-cell LiPo battery, eliminating the need for a separate voltag...
