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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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Adafruit CAN Bus FeatherWing - MCP2515
The Adafruit CAN Bus FeatherWing adds CAN bus networking to any Feather board. It uses the MCP2515 CAN controller and TJA1051/3 transceiver to send and receive messages in standard or extended format at up to 1 Mbps over a two-wire differential bus. Only an SPI port and two pins (chip-select and ...
Adafruit STEMMA Non-Latching Mini Relay
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The Adafruit STEMMA Non-Latching Mini Relay lets you switch lamps, fans, solenoids, and other small appliances (up to 250 VAC/DC) using any 3V or 5V microcontroller — no soldering, flyback diodes, or level shifting required. Just connect via the JST-PH STEMMA connector and toggle the signal pin h...
Adafruit FeatherWing 128x64 OLED Add-on
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Add a crisp monochrome display and simple user controls to your Feather project with this fully assembled FeatherWing. It combines a 128x64 white OLED screen with three user buttons labelled A, B and C, plus a reset button, so you can build compact menus, status displays, and handheld interfaces ...
Adafruit MagTag Enclosure & Buttons Kit
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Keep your Adafruit MagTag safe and looking sharp with this custom-designed 3D-printed enclosure. The snap-together two-piece case accommodates all connection ports and features flexible push tabs for the four front buttons, plus an integrated kickstand for tabletop use. Made with an SLA printing...
Adafruit 50 pin 0.5mm pitch FPC Adapter
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Break out those tricky 0.5 mm pitch flex cable connections to breadboard-friendly 0.1" spaced headers with this FPC adapter board. The 50-pin connector on top accommodates most ZIF and snap-style FPC connectors, and each pin is broken out to a standard 0.1" × 0.1" header pad for easy prototyping....
Adafruit HUZZAH32 – ESP32 Feather Board
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The Adafruit HUZZAH32 ESP32 Feather Board brings the powerful Espressif ESP32 dual-core processor into the Adafruit Feather form factor. With WiFi, Bluetooth Classic, and BLE support, a built-in USB-to-serial converter, automatic bootloader reset, and LiPo battery charging, it's a fully featured ...
Adafruit LTC4316 I2C Address Translator
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The Adafruit LTC4316 I2C Address Translator solves one of I2C's most frustrating limitations: address conflicts. When two devices share the same fixed I2C address, this chip performs on-the-fly address translation — devices on the output side appear at a different address to the controller on the...
Adafruit KB2040 - RP2040 Kee Boar Driver
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The Adafruit KB2040 is an RP2040-powered board designed specifically for mechanical keyboard builds, in the Arduino Pro Micro form factor. With castellated pads, USB-C, 8 MB of Flash, and a STEMMA QT / Qwiic connector, it's a drop-in replacement for Pro Micro boards with significantly more power ...
Adafruit SPI Flash SD Card - XTSD 512 MB
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The Adafruit SPI Flash SD Card breakout features an XTSD 512 MB chip — an SD card in an SMT package that you can wire up like standard SPI flash but use with existing SD card libraries. It comes pre-formatted as a 512 MB FAT volume and works straight away with the built-in SD library in Arduino o...
Adafruit HUZZAH32 – ESP32 Breakout Board
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The Adafruit HUZZAH32 ESP32 Breakout is a compact, breadboard-friendly development board built around the Espressif ESP32 dual-core processor. With WiFi, Bluetooth Classic, and BLE support, 4 MB SPI Flash, and a generous set of GPIO, analog, and communication peripherals, it's a powerful and affo...
Adafruit DPI TFT Kippah for Raspberry Pi
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The Adafruit DPI TFT Kippah connects a 40-pin TTL TFT display directly to your Raspberry Pi's GPIO header, bypassing the need for an HDMI encoder/decoder. The result is a fast, native 18-bit colour display with full graphics acceleration and instant refresh — the same quality you'd expect from an...
Adafruit Feather HUZZAH with ESP8266 WiFi
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The Feather HUZZAH ESP8266 is an all-in-one Wi-Fi development board with built-in USB and battery charging. Powered by the ESP8266 with a full Wi-Fi stack, it's a compact and affordable way to add Internet connectivity to your projects using the Arduino IDE or NodeMCU Lua. The CP2104 USB-serial ...
Adafruit Soil Sensor Kit for micro:bit v2
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This classroom-friendly kit pairs a micro:bit v2.2 with a simple soil sensor so students can monitor a pot plant and learn a bit of programming at the same time. It was designed to work with the "FarmBeats for Students" curriculum, where the micro:bit can show smile and frown status reports to in...
Adafruit TPL5110 Low Power Timer Breakout
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The Adafruit TPL5110 Low Power Timer Breakout turns any electronics project into a low-power system by periodically switching power on and off. Connect it between your power supply and your project, and the TPL5110 will handle the rest — powering up your circuit at configurable intervals from eve...
Adafruit IO+ Subscription Pass – One Year
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The Adafruit IO+ Subscription Pass gives you one full year of Adafruit IO+ — the upgraded tier of Adafruit's cloud IoT platform. Your upgrade code is sent via email and can be redeemed at io.adafruit.com on any account. Purchase for yourself or as a gift. IO+ Includes 60 Data Points Per Minute...
Adafruit Joy FeatherWing for all Feathers
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The Adafruit Joy FeatherWing adds a 2-axis joystick and five buttons to any Feather board over I2C — no GPIO or analogue pins consumed. Using Adafruit's Seesaw technology, an onboard helper microcontroller reads the joystick and button inputs and presents them as a clean I2C interface, compatible...
Adafruit DRV2605L Haptic Motor Controller
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The Adafruit DRV2605L Haptic Motor Controller is a dedicated driver for haptic feedback motors, controlled via I2C. Rather than simple on/off control, the TI DRV2605L chip offers a library of over 100 built-in vibration effects — clicks, ramps, buzzes, and patterns — that create far more refined ...
Adafruit TPL5111 Low Power Timer Breakout
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The Adafruit TPL5111 Low Power Timer Breakout turns any electronics project into a low-power system by periodically toggling an enable pin. Connect it to your project's enable line, and the TPL5111 will handle the rest — setting the enable pin high at configurable intervals from every 100ms to on...
Adafruit Qwiic / Stemma QT Breakout Board
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The Adafruit Qwiic / STEMMA QT Breakout Board bridges the gap between the STEMMA QT / Qwiic connector world and standard 0.1" breadboard pins. One end has a JST SH-compatible connector for plug-and-play I2C, and the other has four 0.1" spaced pads for soldering headers or wires to a breadboard. ...
Adafruit DS3231 Precision RTC - STEMMA QT
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The Adafruit DS3231 Precision RTC with STEMMA QT connectors is a highly accurate I2C real-time clock featuring an integrated temperature-compensated crystal oscillator (TCXO). Unlike standard RTCs that rely on an external 32 kHz crystal, the DS3231 houses the crystal internally alongside a temper...
