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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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PiGrrl Zero Custom Gamepad PCB
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A custom gamepad PCB designed for the PiGRRL Zero project. This PCB dramatically cuts build time by providing a ready-made board — just solder in 6mm tactile switch buttons and wire up the header pins to your Pi Zero. Ideal for makers who already have the rest of the PiGRRL Zero parts or are doi...
Passive PoE Injector Cable Set
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Simplify your Internet of Things with a passive PoE injector cable. These are quite handy for projects that have Ethernet connectivity and also need a power cable. Of course, you can get a long Ethernet cable but then you have to figure out how to plug it in, making a mess of wires. There is an o...
Diffused Red 5mm LED (25 pack)
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A pack of 25 diffused red 5 mm LEDs, bright enough to be visible in daylight and viewable from any angle thanks to the diffused lens. These are great all-purpose indicator LEDs that fit easily into a breadboard. Specifications Colour: Red Wavelength: 660 nm Diameter: 5 mm Lens Type: Diffuse...
![USB/Serial Converter [FT232RL]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCl6FJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--7267437b022d770b6d48c658398290468d1304ad/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_f1d58976-24cb-4d22-8220-4d74c3035640.jpg)
USB/Serial Converter [FT232RL]
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This USB-to-serial converter adds a DB9 RS-232 serial port to your computer via USB. Based on the FTDI FT232RL chip, it delivers true RS-232 voltage levels (approximately ±10V) rather than TTL 5V — ensuring compatibility with older devices like GPS receivers, handheld programmers, and other equip...
2.1mm to 1.7mm DC jack adapter
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A small adapter that converts a standard 5.5 / 2.1 mm DC barrel plug into a 4.0 / 1.7 mm plug, letting you use common 2.1 mm wall adapters with devices that have a smaller 1.7 mm DC jack input. Key Features 2.1 mm Jack Input – Accepts standard 5.5 / 2.1 mm barrel plugs 1.7 mm Plug Output – Fi...
LED Ring Light - 76mm Diameter
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This LED Ring Light is designed for use with microscopes but we kinda like the design and think it could be a really nice LED element for costuming or lighting effects or... something else? Of course you could also just use it is a great addition to your photo and video projects. It's super illum...
Sony Spresense Extension Board
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Spresense is a compact development board based on Sony’s power-efficient multicore microcontroller CXD5602. It allows developers to create IoT applications in a very short time and is supported by the Arduino IDE as well as the more advanced NuttX based SDK. The Spresense Extension Board has the ...
Soft Tactile Button (8mm) x 10
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Put your project in stealth mode with these silent Soft Tactile Switch Buttons. Tactile switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard as shown in this tutorial. The pins are normally open (disconnected) a...
50-pin 0.5mm FFC / FPC Extender
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This 50-pin FFC/FPC extender lets you connect two 50-pin 0.5mm pitch flat cables end-to-end to extend their total length. Simply plug a cable into each side of the board and you have a longer cable run — useful when the stock cable isn't quite long enough to reach. The extender has two flip-lock...
24-pin 0.5mm FFC / FPC Extender
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This 24-pin FFC/FPC extender lets you connect two 24-pin 0.5mm pitch flexible flat cables end-to-end, extending the total cable length. A simple solution when your existing cable isn't long enough to reach. Key Features 24-Pin, 0.5mm Pitch – Matches standard 24-pin FFC/FPC cables End-to-End E...
Project Kit for Android Things™
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Welcome to the Internet of Things with Google! Whether you are a device creator prototyping a new design for production, or a hobbyist looking for an introduction to the new Android Things API, you've come to the right place. It's time to get your Android enabled hardware working with Googl...
ESP32-H2-DevKitM-1 - 4 MB Flash
The ESP32-H2-DevKitM-1 is an entry-level development board based on the ESP32-H2-MINI-1 module, featuring Bluetooth Low Energy 5, IEEE 802.15.4, Thread, Matter, and Zigbee support on a single chip. It's an ultra-low-power IoT solution ideal for smart home, mesh networking, and multi-protocol appl...
Make Robot Friend Jigsaw Puzzle
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Here at Adafruit, we envision a future where robots, humans, cyborgs, replicants, cylons, and all other types of artificial intelligence and electro-human hybrids will live in absolute harmony. While we love a great fictional dystopia, we certainly wouldn't want to li...
2.5mm DIY Stereo Plug Connector
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A 2.5mm stereo (TRS) plug connector for building or repairing custom audio cables. The durable metal construction and flexible spring strain relief ensure a long-lasting, professional result. The 2.5mm plug is a less common size than the standard 3.5mm headphone jack, but is widely used in hands...
TT Motor Pulley - 36mm Diameter
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Mechanical transmission for the win, this simple plastic pulley can attach to your TT motor to transmit rotation from the motor axle to...somewhere else.This is a very useful part when you require more than wheels for your robotics project. A belt and pulley solution can be light-weight and ...
Diffused Red 10mm LED (25 pack)
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Need some big indicators? We are big fans of these huge diffused red LEDs. They are fairly bright so they can be seen in daytime, and from any angle. They go easily into a breadboard and will add that extra zing to your project. Pack of 25 diffused red LEDs 10mm diameter 660 nm wavelength 1.85-2....
USB Type C Plug to Plug Adapter
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Turn any USB Type C device into a pluggable USB key with this 'plug to plug' adapter. Works with any computer/laptop with a USB type C port.If you want a small, cable-less way to connect our modern USB C devices, this little dongle will do the job nicely. It's quite simple - you've got your USB C...
Alkaline AAA batteries - 2 pack
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A 2-pack of standard alkaline AAA batteries for powering portable electronics, kits, and projects. These use alkaline (MnO2) chemistry with a voltage range of 1.6V (fresh) to 0.8V (depleted) and a capacity of approximately 1200mAh at a 25mA discharge rate. Specifications Type – AAA Chemistry ...
2V 0.3W Mini Solar Panel - ETFE
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This compact 2V 0.3W mini solar panel from Voltaic Systems uses four high-efficiency monocrystalline SunPower cells with 22%+ efficiency. Constructed with ETFE (Ethylene Tetrafluoroethylene), it's extremely durable, waterproof, scratch-resistant, and UV-resistant — a significant upgrade over PET ...
5V 0.6W Mini Solar Panel - ETFE
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A compact 5 V, 0.6 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-resi...
