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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 3061-3080 of 3359 products
13.56MHz RFID/NFC Bracelet - NTAG203 Chip
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This blank 13.56 MHz RFID/NFC silicone bracelet contains an NTAG203 chip with 144 bytes of writable EEPROM storage. It is passively powered — no battery is needed. Hold the bracelet a few centimetres from a compatible 13.56 MHz RFID/NFC reader to read or write data. The NTAG203 is a "Type 2" NFC...
10mm Plastic Bevel LED Holder - Pack of 5
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Keep your 10mm LEDs securely mounted with these plastic bevel-style LED holders. Simply slot the LED through the opening and it snaps into place, giving a clean, finished look to your project. Key Features 10mm LED Size – Designed for standard 10mm through-hole LEDs Snap-Fit Design – LEDs cli...
Keyfob 2-Button RF Remote Control - 315MHz
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A compact 2-button keyfob RF transmitter operating at 315MHz. Each button sends a distinct command, corresponding to two of the four outputs on compatible 315MHz RF receiver modules. Effective range is up to approximately 7.5 metres (25 feet) depending on line of sight and obstructions. Since th...
Micro Servo - MG90S High Torque Metal Gear
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Add more power to your robot with this metal-geared MG90S servo. The tiny little servo can rotate approximately 90 degrees (45 in each direction), and works just like the standard kinds you're used to but smaller. You can use any servo code, hardware or library to control these servos. Good for b...
Keyfob 4-Button RF Remote Control - 315MHz
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This compact 4-button keyfob transmitter operates on 315 MHz and is designed to work with compatible 315 MHz RF receiver modules. Each button sends a distinct command corresponding to four output channels, making it suitable for simple remote control applications. The keyfob is small and lightwe...
Large Alligator Clip Test Lead (set of 10)
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Connect this to that without soldering using these handy alligator clip test leads. 20" cables with alligator clip on each end, color coded. You get 10 pieces in 5 colors. Strong and grippy, these always come in handy! We often use these in conjunction with a multimeter so we don't have to hold t...
T-Slot Photo Interrupter with 1 Meter Cable
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This T-Slot Photo Interrupter with Cable is a simple plastic sensor with two elements - an IR LED and an IR photo-transistor, situated across a U-shaped gap. You can control the IR LED and turn it on to transmit IR light across the gap, to the detector on the other side. This makes it perfect ...
Continuous Rotation Servo [FeeTech FS5103R]
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This servo rotates fully forward or backwards instead of moving to a position. You can use any servo code, hardware or library to control these servos. Good for making simple moving robots. Comes with four different horns, as shown.To control with an Arduino, we suggest connecting the contro...
Silicone USB A Dust Cover Inserts - 10 Pack
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Here's an easy solution for keeping your USB A devices free from dust and other unsavory particulates. These squishy Silicone USB A Dust Cover Inserts slip neatly into any computer or device with a standard USB A socket.Comes in a pack of ten, so you're set even if y...
JST PH 3-Pin to Female Socket Cable - 200mm
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This cable will let you turn a JST PH 3-pin cable port into 3 individual wires with high-quality 0.1" female header sockets on the end. We're carrying these to match up with our Hallowing, for extending and connecting sensors or LEDs - and the wires are even color coded! We also stock a ver...
TTL Laser Diode - 5mW 650nm Red - 50KHz Max
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You have some frickin' sharks at your lair, and you're thinking "it would be really great if I could attach some lasers to them" and then you see these little laser diode modules: what great timing! These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. They can be drive...
Ada Lovelace, large, oval, color - Sticker!
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Celebrate Ada Lovelace — one of the world's first computer programmers — with this glossy vinyl sticker. Featuring a full-colour woodcut-style portrait based on the nineteenth century A. E. Chalon painting, this sticker is perfect for laptops, workbenches, or anywhere you want to honour a pioneer...
Standard Servo Arm and Horn Set - 25 Spline
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If you bought a servo from us you probably got a bunch of plastic add-ons that you can snap onto the rotating part of the servo. These are called 'servo horns'. For many robotics projects you'll end up drilling or gluing to the horns to attach it to your armatures. But maybe you messed up, or you...
Knit Conductive Fabric - Silver 20cm square
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This silver-plated knit conductive fabric is a flexible, stretchable material for e-textile and soft circuit applications. With a resistance of less than 1 ohm per foot in any direction, it conducts electricity reliably across the textile — making it ideal for capacitive touch sensors, soft keypa...
TinyPICO ESP32 Development Board with USB-C
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TinyPICO is the world's smallest fully-featured ESP32 development board, packing dual-core 240MHz processing, Wi-Fi, Bluetooth, and 4MB of PSRAM into a package smaller than your thumb. This is the V2 USB-C edition with MicroPython pre-installed and ready to go. Designed by UnexpectedMaker, every...
Bristlebot - 10 pack - by Brown Dog Gadgets
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Bristlebots are small robots, great for teaching engineering, motors, circuits, and principles of balance. They don't require soldering or special tools, so they're great for group builds. This pack contains enough parts to make 10 BristlebotsWho knew we could cobble together an adorabl...
DIY USB Cable Parts - Straight Micro B Jack
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If you love DIY cable-rigging, then these USB adapters are right up your alley! Making custom USB cables has never been easier. Just grab one of our ribbon cables, then swap and switch any of our USB adapters on each end using the flex cable clips. There are options a-plenty! This version i...
Music sound add-on pack for Arduino [v1.1]
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Its a Wave shield party pack! Just add an Arduino to create your own iPod-killer, audio art, sound-effects box... Comes with: Latest Wave shield kit, works with more SD cards and with older NG Arduinos! Unassembled 1 or 2 GB SD card (brand or size may change, but we test one of each ki...
RP-SMA to uFL/u.FL/IPX/IPEX RF Adapter Cable
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This RF adapter cable is super handy for anyone doing RF work. Often times, small electronics save space by having a pick-and-placeable u.FL connector (also called uFL, IPEX, IPAX, IPX, MHF, and AM). But most antennas have SMA or RP-SMA connectors on them. This little cable will bridge the two...
16mm Illuminated Pushbutton - Blue Momentary
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A 16mm illuminated pushbutton with a built-in blue LED and momentary action. The switch contacts connect only while the button is held down and return to their normally-open state when released — perfect for trigger inputs, action buttons, and interactive controls. The LED is wired independently...