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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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USB Mini-B Breakout Board
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Simple but effective - this breakout board has a USB Mini-B connector, with all 5 pins broken out. Great for pairing with a microcontroller with USB support, or adding USB 5V power to a project.Comes with one fully assembled and tested mini B breakout PCB and a small stick of 0.1" header so yo...
uFL SMT Antenna Connector
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uFL connectors are very small surface-mount parts used when an external RF antena is desired but a big bulky SMA connector takes up too much space. We use this part on our GPS and WiFi boards, they're great! Chances are your antenna doesn't use uFL as the main connector, in which case you should ...
5V Square USB Fan - 6 cm
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A compact 60mm USB-powered cooling fan that provides instant airflow for electronics projects. Simply plug into any USB port for immediate cooling — no drivers or setup required. The USB connector can be cut off to wire the fan directly to a 5V power source. While there's no built-in PWM or feed...
Vibrating Mini Motor Disc
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*BZZZZZZZZZZ* Feel that? That's your little buzzing motor, and for any haptic feedback project you'll want to pick up a few of them. These vibe motors are tiny discs, completely sealed up so they're easy to use and embed.Two wires are used to control/power the vibe. Simply provide power from a ba...
SMT Socket - Wide SOIC-16
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This socket is good for any SOIC/SOP Wide-body 16 pin chip in a 300mil wide body. Simply flip open the latch, insert the chip, and flip down the latch to secure it in place.The chip is held securely against gold 'fingers' (no, stop, Mr. Bond! It's not that Goldfinger!) in the socket. The bot...
5V 10W Solar Panel - ETFE
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This 10W ETFE solar panel from Voltaic Systems delivers a nominal 5V at up to 1,670mA peak, providing reliable power for portable electronics, battery charging, and off-grid projects. It uses 10 high-efficiency monocrystalline SunPower cells rated at over 22% efficiency. The panel is constructed...
EL Panel - Blue (10x10cm)
A flexible electroluminescent (EL) panel that emits a soft, neon-like blue glow when driven by an EL inverter. The 10 × 10 cm panel is thin and lightweight, making it ideal for backlighting, illuminated signage, costumes, and decorative projects. The panel connects via a 20 cm cable terminated w...
Onion Omega2+ Starter Kit
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Ever wanted your own Linux-based IoT computer? A small one, that can be battery powered? The Onion Omega2 is sort of in-between a microcontroller (like an Arduino/CircuitPython/MakeCode running chip) and a full-fledged microcomputer (like Raspbery Pi). What you get is a bite-sized development ...
Micro SD Card PCB Extender
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Stop fiddling with micro SD card sockets in the back of your latest gadget during development, and give yourself a little more elbow room with this Small Micro SD Card Extender. This is a great hack for length constraints with 3D printers, single-board computers, data-logging kits and more. Get t...
LilyPad Temperature Sensor
Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to digital conversion on the signal line will allow you to establish the local ambient...
USB Cable - 6 Standard A-B
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A short USB 2.0 Type-A to Type-B cable, 150 mm (6") in length. Ideal for connecting Arduino boards, programmers, and other USB-B devices to a computer in compact setups where a full-length cable is unnecessary. Key Features USB 2.0 Type-A to Type-B – Standard connector for Arduino Uno, Mega, a...
USB Micro-B Breakout Board
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This breakout board gives you easy access to all 5 pins of a USB Micro-B connector via standard 0.1" header pins. It's a simple way to add USB 5V power to a project, interface with a USB-capable microcontroller, or prototype custom USB connections on a breadboard. The board uses a micro-AB conne...
3-Pin Wire Joints (3 Pack)
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Solderless wire connectors that make it easy to join bare wires without any tools beyond your fingers. Press the lever arm to open the aperture, insert the wire, and release — the spring mechanism holds the wire firmly in place. Each connector joins three wires (one per channel). Compatible with...
Teensy 3.x Feather Adapter
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The Teensy 3.x Feather Adapter rearranges the pins of a Teensy 3.x board to match the Adafruit Feather form factor and pinout. This allows the Teensy to work with the full range of FeatherWing add-ons — motor drivers, GPS modules, LED matrices, OLEDs, and more. The adapter also includes a built-...
I2CDriver by Excamera Labs
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I²CDriver is an easy-to-use, open source tool for controlling I²C devices and a great tool to help with quick driver development and debugging. It works with Windows, Mac, and Linux, and has a built-in color screen that shows a live “dashboard” of all the I²C activity. It uses a standard FTDI USB...
2-Pin Wire Joints (3-pack)
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These 2-Pin Wire Joints provide a quick, solder-free way to connect two wires together. Simply press the curved arm to open the aperture, insert the wire, and release — the spring mechanism holds the wire securely in place. Compatible with a wide range of wire gauges (16–30 AWG) in both solid an...
Bus pirate basic probe set
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This is a interface cable designed for Bus Pirate which can makes it easier to connect the Bus Pirate to a circuit and get hacking!
Fixed Laser Mounting Stand
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Use this nice fixed laser mount to attach any of our laser diode modules to your desk, robot, shark, etc. A set-screw holds the laser in place. Has a flat mounting plate with four holes for easy attachment and adjustment. Fits all of our modules.Laser not included
5V 1.2W Solar Panel - ETFE
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A 5 V, 1.2 W solar panel from Voltaic Systems, built with ETFE (Ethylene Tetrafluoroethylene) construction for superior durability over standard PET or laminate panels. Featuring 10 high-efficiency monocrystalline SunPower cells with 22%+ efficiency, this panel is waterproof, scratch-resistant, a...
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USB cable - A/MicroB [3ft]
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This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or microcontroller Approximately 3 feet / 1 meter long
