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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.
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Showing 421-440 of 3359 products
Adafruit Infineon Trust M Breakout Board - STEMMA QT / Qwiic
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The Adafruit Infineon Trust M Breakout features the OPTIGA Trust M (SLS 32AIA) secure element — a hardware crypto authentication chip that stores private keys securely, performs cryptographic operations, and generates true random numbers. It communicates over I2C via STEMMA QT / Qwiic connectors ...
Adafruit SEN54 or SEN55 Adapter Breakout - STEMMA QT / Qwiic
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The Adafruit SEN54/SEN55 Adapter Breakout lets you quickly connect a Sensirion SEN5x environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding required. The adapter handles the SEN5x's special cable connection and 5 V power req...
Adafruit Feather 32u4 RFM69HCW Packet Radio - 868 or 915 MHz
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The Feather 32u4 RFM69HCW Packet Radio (868/915 MHz) combines an ATmega32u4 microcontroller with an SX1231-based packet radio transceiver, USB connectivity, and LiPo battery charging. It offers longer range than 2.4 GHz protocols (Bluetooth, Wi-Fi, ZigBee) with more flexibility than BLE, making i...
Adafruit USB Type C Power Delivery Dummy - I2C or Switchable
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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 Music Maker MP3 Shield for Arduino (MP3/Ogg/WAV...)
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The Adafruit Music Maker MP3 Shield turns any Arduino into a versatile audio player, recorder, and MIDI synthesiser. Powered by the VS1053B codec chip, it decodes MP3, AAC, Ogg Vorbis, WMA, FLAC, WAV, and MIDI formats, and can also record audio in PCM (WAV) or compressed Ogg Vorbis — all over a l...
Adafruit Mini 0.7 8x8 LED Matrix w/I2C Backpack - Pure Green
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The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright pure green dot-matrix display to any project. The I2C backpack handles all the multiplexing, so you only need two data pins (SDA and SCL) plus power to control all 64 LEDs — no complex wiring or external driver ...
Adafruit 3.4in 480x480 Square RGB TTL TFT Display - No Touch
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This square TFT module is for advanced display projects that need a high-resolution, 3.4 inch IPS panel with a 480 x 480 pixel layout. It delivers 16-bit full-colour output and wide off-axis viewing, making it a neat fit for compact dashboards, controls and custom embedded interfaces.The display ...
Adafruit 1.47" 320x172 Round Rectangle Color IPS TFT Display
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The Adafruit 1.47" 320×172 Round Rectangle Colour IPS TFT Display features a distinctive rounded-corner design at 250 PPI, driven by the ST7789 controller over SPI. The rounded corners are achieved by masking corner pixels — the display is addressed as a standard rectangle in RAM, so no special m...
Adafruit Ultimate GPS Breakout with GLONASS + GPS - PA1616D
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The Adafruit Ultimate GPS Breakout with GLONASS + GPS is an enhanced version of the popular Ultimate GPS, built around the MTK3333 chipset with PA1616D module. It supports both GPS and GLONASS satellite networks, tracking up to 33 satellites on 99 channels for improved coverage and accuracy world...
Adafruit STEMMA Soil Sensor - I2C Capacitive Moisture Sensor
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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 Sensirion SHT45 Precision Temp & Humidity with PTFE
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The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. Featuring a PTFE membrane for protection against dust and water ingress, it's built for demanding environments and precisi...
Adafruit Micro SD SPI or SDIO Card Breakout Board - 3V ONLY!
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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 LPS22 Pressure Sensor - STEMMA QT / Qwiic - LPS22HB
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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 RGB Matrix Featherwing Kit - For M0 and M4 Feathers
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The Adafruit RGB Matrix FeatherWing Kit lets you drive HUB75-type RGB LED matrices from any SAMD21 M0 or SAMD51 M4 Feather board. With built-in power regulation and a compact form factor, it's the easiest way to create colourful scrolling displays and LED wall projects using the Feather ecosystem...
Adafruit PiTFT 2.2 HAT Mini Kit - 320x240 2.2 TFT - No Touch
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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 0.54 Quad Alphanumeric FeatherWing Display - Yellow
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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 Proto Shield for Arduino Kit - Stackable Version R3
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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 MPRLS Ported Pressure Sensor Breakout - 0 to 25 PSI
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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 TCA4307 Hot-Swap I2C Buffer with Stuck Bus Recovery
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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 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...
