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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 3281-3300 of 3359 products
2.4GHz Mini Flexible WiFi Antenna with uFL Connector [100mm]
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A 100 mm (4″) flexible WiFi antenna with approximately 4 dBi gain and a U.FL (IPEX) connector. The flexible design lets you bend and position the antenna to suit your enclosure or project layout, while the U.FL connector snaps directly onto boards without the need for an adapter. Key Features ...
CR1220 12mm Diameter - 3V Lithium Coin Cell Battery [CR1220]
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These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, etc. One battery per order (you'll want one battery per cufflink or pendant.)Brand may vary but all battery brands are verified to have the same nomin...
USB Type C 3.1 PD to 5.5mm Barrel Jack Cable - 15V 5A Output
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This cable will let you get rid of all those wall adapters you have stashed in the plastic bin in the basement. Instead of multiple wall warts with different power and current capabilities, this cable will convert any USB Type C power adapter with Power Delivery (PD) support into a 9V DC power po...
NeoPixel RGB 5050 LED with Integrated Driver Chip - 100 Pack
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A 100-pack of individual NeoPixel RGB 5050 LEDs with integrated WS2812B-compatible driver chips. Each 5mm × 5mm LED includes ~18mA constant-current drive per channel, so colour remains consistent regardless of voltage variation — no external resistors needed. Power with 5VDC. These are the 4-pin...
Small Alligator Clip to Female Jumper Wire Bundle - 6 Pieces
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When working with unusual non-header-friendly surfaces, these handy cables will be your best friends! No longer will you have long, cumbersome strands of alligator clips. These compact jumper cables have a premium female header on one end and a grippy mini alligator clip on the other. Grab ont...
PiTFT Plus Assembled 320x240 2.8 TFT + Resistive Touchscreen
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Is this not the cutest little display for the Raspberry Pi? It features a 2.8" display with 320x240 16-bit color pixels and a resistive touch overlay. The plate uses the high speed SPI interface on the Pi and can use the mini display as a console, X window port, displaying images or video...
USB Type C Sync Data Cable with On-Off Switch - 1 meter long
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This USB Type C Sync Data Cable with On/Off Switch cable is great when you don't want to plug-and-unplug a device to turn it on and off. It's a true USB C to C cable, with power, data and power delivery (USB C PD) lines connected so it can be used for high voltages/currents as well as data syncin...
HDMI 5 800x480 Display Backpack - With Resistive Touchscreen
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A compact, panel-mountable 5" HDMI monitor with a built-in resistive touchscreen. Featuring the TI TFP401 DVI/HDMI decoder, this display works with any computer that has HDMI output — simply plug in and go. The resistive touchscreen registers as a standard USB mouse, so no special drivers are ne...
Silicone Cover Stranded-Core Ribbon Cable - 10 Wires - 20 AWG
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For those who are fans of our silicone-covered wires but are always looking to up their wiring game. We now have Silicone Cover Ribbon cables! These may look a lot like squid ink noodles, but they're not. The silicone-sheathed wire is super-flexible and soft, and it's also strong! Able to handle ...
Black Relegendable Plastic Keycaps for MX Compatible Switches
A 10-pack of two-part relegendable keycaps in black, compatible with Cherry MX and MX-compatible key switches. Each keycap has a black base and a clear snap-on cover — simply slip a sticker, label, or piece of paper underneath the cover to create custom keycap legends. The keycaps are symmetrica...
Extra-long break-away 0.1 16-pin strip male header (5 pieces)
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Breakaway header is like the duct tape of electronics, and this header is one better with extra long pins on both sides. This makes it great for connecting things together that have two sockets - especially solderless breadboards. We also use these with our female-female socket jumpers to c...
Arcade Button and Switch Quick-Connect Wires - 0.25 (10-pack)
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These quick-connect wire pairs make wiring arcade buttons and micro switches fast and simple. Each wire comes as a pair with two 0.25" quick-connect terminals pre-crimped, terminated together in a JST 2.5mm 2-pin connector that's breadboard compatible (fits 0.1" headers). The 0.25" size fits bot...
Liquid Crystal Light Valve - LCD Controllable Black-out Panel
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What do you get when you power a layer of liquid crystal material sandwiched between two sheets of glass? A Liquid Crystal Light Valve (a.k.a a LCD Controllable Black-out Panel)! They're often used for electric welding helmets because they can protect the welder's eyes fr...
ChromaTek 19mm Rugged Latching Metal Pushbutton with NeoPixel
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By popular demand, we now have rugged metal buttons with a full-color NeoPixel LED ring light! These chrome-plated metal buttons are rugged, but certainly not lacking in flair.This is a 19mm Latching version of the RGB pushbutton. Simply drill a 19mm hole into any materia...
USB Microscope - 5MP interpolated 220x magnification / 8 LEDs
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This USB digital microscope features a 5.0 megapixel sensor with adjustable optical magnification from 20× to 220×, making it ideal for PCB inspection, SMT soldering work, and examining fine details on electronic components. Eight adjustable white LEDs provide even illumination with a smooth brig...
2-Prong Barbed Fitting Connector for Silicone Tubing - 5-pack
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These 2-prong barbed fitting connectors are designed for use with silicone tubing in air pump and valve setups. Each port has an outer diameter of approximately 4mm, creating a secure seal with 2–3mm ID silicone tubing. Use them to make adapters, extenders, or Y-junctions in pneumatic projects. ...
Budget Pack for Raspberry Pi 4 (Doesn't include Raspberry Pi)
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Gotta say - this Pi 4 is fly. All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories.We've hand-selected these accessories as the perfect accompaniment to your new Raspberry Pi 4 - Model B. It's everything you need...
PiTFT - Assembled 480x320 3.5 TFT+Touchscreen for Raspberry Pi
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Is this not the cutest, little display for the Raspberry Pi? It features a 3.5" display with 480x320 16-bit color pixels and a resistive touch overlay so is slightly larger than our popular original. The plate uses the high speed SPI interface on the Pi and can use the mini display as a consol...
Kailh Mechanical Key Switches - Thick Click Jade Box - 10 pack
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For crafting your very own custom keyboard, these Kailh Clicky Jade mechanical key switches are deeee-luxe! With smooth actuation and Cherry MX compatibility, they're lovely when you want a 'thick' and satisfying clicky tactile keystroke with a snappy feel and an audible click when...
HDMI 4 Pi: 7 Display w/Touchscreen 1024x600- HDMI/VGA/NTSC/PAL
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A 7-inch touchscreen display with 1024×600 resolution and a resistive touchscreen overlay, ideal for Raspberry Pi projects, embedded computing, and multimedia setups. The included driver board supports HDMI, VGA, and composite (NTSC/PAL) inputs, making it compatible with a wide range of devices. ...