All Products
AI Overview
Here are popular Adafruit options across kits, add-ons, sensors, storage, and power—great for microcontroller builds:
Kits & project add-ons
- Adafruit Soil Sensor Kit for micro:bit v2 ($59.68) — classroom-friendly kit for micro:bit v2.2 soil monitoring + learning projects.
- Adafruit FeatherWing 128x64 OLED Add-on ($38.07) — assembled 128×64 monochrome OLED FeatherWing with 3 buttons.
- Adafruit USB Host FeatherWing with MAX3421E ($35.69) — adds USB host (keyboards, mice, USB drives) to Feather projects.
Cameras
- OV5640 Camera Breakout - 72 Degree Lens with Autofocus ($23.75) — 5MP OV5640, 72° lens, autofocus.
- OV5640 Camera Breakout with 120° Low-Distortion Lens ($29.84) — 5MP OV5640 with 120° wide-angle low-distortion lens.
Sensors (I2C/QT-friendly options)
- Adafruit TMP119 ±0.03°C I2C Temperature Sensor ($35.69) — ultra high-precision ±0.03°C temperature sensing over I2C.
- MAX44009 Wide-Range Lux Light Sensor Breakout ($29.84) — measures real lux up to 188,000 lux.
- VCNL4020 Proximity & Light Sensor Breakout - STEMMA QT/Qwiic ($14.20) — combined proximity + ambient light over I2C, with STEMMA QT/Qwiic.
- Adafruit QMC5883P Triple-Axis Magnetometer ($14.20) — 3-axis magnetometer for compass/orientation.
Power monitoring & power-path protection
- Adafruit INA228 85V 20-bit I2C Power Monitor Breakout ($35.69) — 85V, 20-bit current/voltage/power monitoring (high- or low-side).
- Adafruit LM73100 23V 5A Ideal Diode Breakout ($11.82) — 3–23V power-path “ideal diode” up to 5A with low loss.
Flash memory breakouts (for logging/files/firmware assets)
- SPI Flash Breakout - W25Q16 16Mbit / 2MB ($7.04) — compact 2MB SPI flash storage.
- QSPI DIP Breakout Board - W25Q16 16Mbit / 2MB ($5.97) — easy prototyping 2MB QSPI flash (8-SOIC to DIP).
- Adafruit QSPI DIP Breakout with W25Q64 Flash - 64Mbit / 8MB ($6.56) — prototyping-friendly 8MB QSPI flash.
Lighting
- Adafruit DotStar Digital LED Strip - Black 144 LED/m - 0.5 Meter [BLACK] ($55.64) — DotStar (2-wire SPI) strip, 144 LED/m, 0.5m length for fast animations.
What kind of Adafruit item are you looking for?
Collections
Showing 421-440 of 3359 products
Adafruit LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB
·
The Adafruit LPS22 Pressure Sensor Breakout features the ST LPS22HB — a tiny absolute barometric pressure sensor capable of measuring atmospheric pressure from 260 to 1260 hPa. Use it for weather monitoring, altitude estimation, or any application where precise air pressure data matters. Despite...
Adafruit PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer
Need to use multiple I2C devices that share the same address? The PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer lets you connect up to four same-address I2C devices with completely solderless wiring. Five JST SH connectors (1 input + 4 outputs) make it plug-and-play with any STEMMA QT or Qw...
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...
Adafruit ESP32-S2 Feather - 2 MB PSRAM and STEMMA QT / Qwiic
·
The Adafruit ESP32-S2 Feather brings Espressif's single-core ESP32-S2 to the Feather ecosystem with native USB, 2.4 GHz Wi-Fi, 4 MB flash, and 2 MB PSRAM. Native USB support means it can act as a keyboard, mouse, MIDI device, or disk drive — no separate USB-to-serial chip needed. This version in...
Adafruit 0.8 8x16 LED Matrix FeatherWing Display Kit - White
·
The Adafruit 0.8" 8x16 LED Matrix FeatherWing Display Kit in white pairs two miniature 8x8 LED matrices with a FeatherWing driver board to create a 128-pixel display for any Feather microcontroller. Use it for scrolling text, bitmap graphics, emoticons, or simple animations. The onboard HT16K33 ...
Adafruit TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery
·
The Adafruit TCA4307 Hot-Swap I2C Buffer protects your main I2C bus from glitches caused by hot-plugging STEMMA QT / Qwiic peripherals. I2C wasn't designed for hot-swapping, and plugging or unplugging at the wrong moment can hang the bus. This buffer sits between your controller and peripherals, ...
Adafruit ATtiny1616 Breakout with seesaw - STEMMA QT / Qwiic
The Adafruit ATtiny1616 Breakout with seesaw is a versatile development board that combines an ATtiny1616 microcontroller with the Adafruit seesaw I2C framework and STEMMA QT connectivity. It works as both a standalone dev board and an I2C peripheral that adds GPIO, ADC, PWM, and NeoPixel support...
Adafruit Micro SD SPI or SDIO Card Breakout Board - 3V ONLY!
·
The Adafruit Micro SD SPI or SDIO Card Breakout Board gives you fast microSD card access using either standard SPI or the higher-speed SDIO protocol. Unlike SPI-only breakouts, this board exposes the full SDIO bus with up to 4 data pins for significantly faster read/write speeds — roughly double ...
Adafruit MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
·
The Adafruit MPRLS Ported Pressure Sensor Breakout measures absolute air pressure from 0 to 25 PSI (0–172 kPa) via a stainless steel port. Unlike typical barometric sensors, the metal port lets you attach tubing to measure pressure inside sealed spaces — ideal for DIY assistive technology, vacuum...
Adafruit STEMMA Soil Sensor - I2C Capacitive Moisture Sensor
·
The Adafruit STEMMA Soil Sensor uses capacitive measurement to detect soil moisture — a more durable approach than resistive sensors that corrode over time. With a single probe and no exposed metal, it avoids oxidation issues and won't introduce DC currents into your plants. The ATSAMD10 microco...
Adafruit Proto Shield for Arduino Kit - Stackable Version R3
·
The Adafruit Proto Shield for Arduino (R3) is a versatile prototyping shield with a 0.1" grid, power rails, indicator LEDs, and stacking headers — everything you need to build custom circuits on top of your Arduino. Version R3 is compatible with virtually all Arduino boards including UNO, Mega, L...
Adafruit PiCowbell CAN Bus for Pico - MCP2515 CAN Controller
The Adafruit PiCowbell CAN Bus adds CAN bus connectivity to your Raspberry Pi Pico or Pico W, making it easy to interface with automotive, robotics, and industrial sensor networks. Built around the popular MCP2515 CAN controller and TJA1051/3 transceiver, it communicates over SPI and supports bot...
Adafruit QT Py ESP32-S2 WiFi Dev Board with uFL Antenna Port
·
The Adafruit QT Py ESP32-S2 with uFL Antenna Port is the extended-range version of the QT Py ESP32-S2. Instead of an on-board antenna, it features a uFL connector so you can attach any 2.4 GHz Wi-Fi antenna for significantly better range — ideal for projects where the board is enclosed in a metal...
Adafruit PiCowbell Proto for Pico - Reset Button & STEMMA QT
The Adafruit PiCowbell Proto is a prototyping add-on board for the Raspberry Pi Pico and Pico W. It matches the Pico's footprint and sockets underneath, giving you a reset button, a STEMMA QT / Qwiic I2C connector, and a grid of prototyping pads — everything you need to quickly wire up custom cir...
Adafruit USB Type C Power Delivery Dummy - I2C or Switchable
·
The Adafruit USB Type C Power Delivery Dummy (I2C or Switchable) lets you tap into USB-C Power Delivery to get 5V, 9V, 12V, 15V, 18V, or 20V from any compatible USB-C charger or wall adapter — no soldering required. Built around the HUSB238 PDL003A E-Marker variant, it can request up to 5A for a ...
Adafruit 0.54 Quad Alphanumeric FeatherWing Display - Yellow
·
The Adafruit 0.54" Quad Alphanumeric FeatherWing Display in yellow adds a bright, easy-to-read 4-character 14-segment LED display to any Feather microcontroller. Each character can show full alphanumeric text (A–Z, 0–9) plus symbols, making it ideal for clocks, sensor readouts, status messages, a...
Adafruit STEMMA Reflective Photo Interrupt Sensor - TCRT1000
·
The Adafruit STEMMA Reflective Photo Interrupt Sensor uses a TCRT1000 right-angle optical module to detect reflective surfaces. An onboard IR LED emits light, and when an object reflects it back to the IR phototransistor, the output pin drops from high toward 0V — making it easy to detect the pre...
Adafruit PiTFT 2.2 HAT Mini Kit - 320x240 2.2 TFT - No Touch
·
The Adafruit PiTFT 2.2" HAT Mini Kit is a compact colour display that plugs directly onto your Raspberry Pi's GPIO header. Featuring a 2.2-inch 320×240 pixel TFT with 16-bit colour, it's perfect for use as a mini console, desktop display, image viewer, or video player — all driven over the Pi's h...
Adafruit NeoKey Trinkey - USB NeoPixel Mechanical Key Switch
·
The Adafruit NeoKey Trinkey is a USB-A development board that combines an ATSAMD21 microcontroller, a Cherry MX-compatible key switch footprint, and an RGB NeoPixel LED into one tiny plug-in package. Insert it into any USB-A port and you've got a single-key macro pad, password entry device, or cu...
Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Red
·
The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in red makes it easy to add a bright numeric display to any microcontroller project. The backpack handles all LED multiplexing and driving via I2C, so you only need two data pins to control a full 4-digit display. The HT16K33 driver ...
