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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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Collections
Showing 2021-2040 of 2783 products · 576 unavailable products hidden
Through-Hole Resistors - 470 ohm 5% 1/4W - Pack of 25
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ΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you! This is a 25 Pack of 470Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1/4 Watt max dissipation, 300V max voltage, 5% prec...
Through-Hole Resistors - 10K ohm 5% 1/4W - Pack of 25
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ΩMG! You're not going to be able to resist these handy resistor packs! Well, axially, they do all of the resisting for you! This is a 25 Pack of 10K Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1/4 Watt max dissipation, 300V max voltage, 5% pre...
Mini SWD 0.05 Pitch Connector - 10 Pin SMT Box Header
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A compact 1.27 mm (0.05") pitch 2×5 mini SWD box header with a half-shroud and key-notch. A smaller alternative to full-shroud SWD headers, taking up much less board space while remaining compatible with standard 10-pin 1.27 mm IDC (SWD) cables. Commonly found on ARM Cortex development kits, thi...
Pogo Pin Probe Clip - 6 Pins with 2.54mm / 0.1" Pitch
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The Pogo Pin Probe Clip with 6 pins in a 2.54 / 0.1" pitch spacing is a great way to test and connect with pin-point accuracy without soldering! It's sort of like an alligator clip with an array of built-in springy pogo pins - so you can connect to a PCB with classic 0.1" spaced pad hol...
3.3V 250mA Linear Voltage Regulator - L4931-3.3 TO-92
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A low-dropout (LDO) 3.3 V linear voltage regulator based on the ST L4931 in a TO-92 package. With just 0.4 V dropout, it delivers a clean, regulated 3.3 V output from input voltages as low as 3.7 V — well suited for stepping down 5 V supplies or single-cell lithium batteries. Built-in current li...
Ultra Flexible 5V Pink LED Strip - 320 LEDs per meter
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Transform your space with our Ultra Flexible 5V Pink LED Strip. With an incredible 320 LEDs per meter, this strip is sure to add a unique and vibrant touch to any project. Crafted with a thin silicone epoxy, these lights have a sleek and modern look similar to neon tubing, without the need f...
Silicone Tubing for Peristaltic Liquid Pump - 1 Meter
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Move fluid from here to there with this very nice elastomeric silicone tubing, specifically for our peristaltic pump. It's one meter long and fully silicone with the correct diameter to give great peristaltic performance.This silicone tubing is not sterile and might get a lil' dirty on...
Aluminum Heat Sink for Raspberry Pi 3 - 14 x 14 x 8mm
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A compact aluminium heatsink with pre-applied thermal adhesive for easy installation on the Raspberry Pi 3 and other single board computers. Simply peel off the protective film and press firmly onto the processor — no additional thermal paste or clips required. In testing, a Raspberry Pi 3 witho...
PB86 Step Switch Breadboard Breakout PCB (Pack of 12)
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This break-apart panel gives you 12 PB86 step switch breakout PCBs, making these colourful sequencer-style switches much easier to use in a breadboard, perfboard or DIY synth build.The original switches are not breadboard or perfboard friendly, so these assembled breakouts save you from hand-wiri...
![74AHCT125 - Quad Level-Shifter (3V to 5V) [74AHCT125]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCpnJJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--e1ef1f697e3fb0453a848a8b32408f39488f5e35/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_7e6b4bc4-2541-47c5-8e85-8dabc3e95e00.jpg)
74AHCT125 - Quad Level-Shifter (3V to 5V) [74AHCT125]
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A quad level-shifting buffer IC that excels at converting 3V logic signals up to 5V. Power the 74AHCT125 with 5V and it will cleanly detect 3.3V logic inputs — particularly useful when connecting devices like Teensy 3.x to NeoPixels or other 5V peripherals. To use, apply 5V to VCC, connect GND, ...
Orange MA Keycaps for MX Compatible Switches - 5 pack
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Dress up your mechanical keys in your favorite colors with a wide selection of gumdrop-like, retro, curvy, and stylish MA profile keycaps. Here is a 5 pack of Orange MA Keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switc...
Snap Action 1-to-1 Wiring Block Connector - Pack of 5
Snap action blocks are perfect when you have to quickly wire up a bunch of free-hanging components, and you don't want to solder. They're much easier to use than wire nuts, and of course, they are reusable and do not require any crimping!These are 1 to 1 wire blocks: there is one separate input a...
Eeontex High-Conductivity Heater Fabric - NW170-PI-20
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High-conductive heating fabrics are Literally! This non-woven fabric feels a little like felted paper but is filled with conductive material that can make the fabric emit heat when powered. Resistive heating fabrics safely deliver comfortable conductive and radiant heating at low voltage thr...
Purple MA Keycaps for MX Compatible Switches - 5 pack
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Dress up your mechanical keys in your favorite colors with a wide selection of gumdrop-like, retro, curvy, and stylish MA profile keycaps. Here is a 5 pack of Purple MA Keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switc...
Pink DSA Keycaps for MX Compatible Switches - 10 pack
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Dress up your mechanical keys in your favorite colors, with a wide selection of stylish DSA key caps. Here is a 10 pack of pink DSA keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switch to turn your Feather ...
Audio Adapter Board for Teensy 3.0 - 3.2, 3.5 and 3.6
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This audio adapter lets you easily add high quality 16 bit, 44.1 kHz sample rate (CD quality) audio to your projects with a Teensy 3.2, 3.5 or 3.6. It supports stereo headphone and stereo line-level output, and also stereo line-level input or mono microphone input.The audio chip connects to Te...
6mm 3MP Wide Angle CS Lens for Raspberry Pi HQ Camera
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This wide angle add-on lens is made for the Raspberry Pi High Quality 12MP Camera, giving you a broader view for capturing larger areas in a single shot.It is well suited to CCTV-style projects, wildlife cameras, security cameras, doorbell cams and similar builds where a wider field of view is us...
Aluminum Heat Sink for Raspberry Pi 3 - 15 x 15 x 15mm
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A tall-profile aluminium heatsink with pre-applied thermal adhesive for easy installation on the Raspberry Pi 3 and other single board computers. The taller 15mm height provides greater surface area for improved heat dissipation compared to shorter heatsinks. Simply peel off the protective film a...
2x20 pin IDC Box Header - Raspberry Pi A+/B+/Pi 2/Pi 3
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This 2×20 (40-pin) IDC box header is the matching connector for 40-pin GPIO ribbon cables used with Raspberry Pi models that have a 40-pin GPIO header. Solder it onto perfboard to create a breakout point for your Pi's GPIO, or use it in any custom PCB design. Key Features 40-Pin (2×20) – Match...
Black DSA Keycaps for MX Compatible Switches - 10 pack
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Dress up your mechanical keys in your favorite colors, with a wide selection of stylish DSA key caps. Here is a 10 pack of Adafruit black DSA keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switch to turn your Feather ...
