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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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INA219 High Side DC Current Sensor Breakout - 26V ±3.2A Max
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This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measure both the high side voltage and DC current draw over I2C with 1% precision.Most current-measuring devices such as ...
VCNL4200 Long Distance IR Proximity & Light Sensor Breakout
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Need approximate distance sensing over tens of centimetres to around a metre, plus ambient light measurement from the same board? This breakout carries Vishay’s VCNL4200, a two-in-one IR proximity and ambient light sensor suited to robotics, motion detection and object sensing projects.The proxim...
TFP401 HDMI/DVI Decoder to 40-Pin TTL Breakout - With Touch
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It's a mini HDMI decoder board! So small and simple, you can use this board as an all-in-one display driver for TTL displays, or perhaps decoding HDMI/DVI video for some other project. This breakout features the TFP401 for decoding video, and for the touch version, an AR1100 USB resistive touch...
Light Blue 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 light blue DSA keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switch to turn your Feather&nb...
Stacking M2.5 Hardware Kit for STEMMA QT and RP2040 Trinkey
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Here is the perfect hardware kit to make a RP2040 QT Trinkey into any kind of USB-connected smart sensor with a QT-sensor-sandwich! You can assemble it with just a plain Phillips screwdriver. Takes less than a minute to bolt on your favorite STEMMA QT or Qwiic board on top. And best of ...
![2.1mm female/male barrel jack extension cable [1.5m / 5 ft]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCKaZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--c82168fa2c30c7297fcf25297dcf84ba525a3623/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_925d0a32-8a25-4211-985d-50d61543e27c.jpg)
2.1mm female/male barrel jack extension cable [1.5m / 5 ft]
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A 1.5-metre (5 ft) extension cable with a 5.5 / 2.1 mm barrel jack (female) on one end and a barrel plug (male) on the other. Heavy-duty 24 AWG wires handle up to 5 A, making it suitable for powering LED strips, Arduino boards, and other current-hungry projects at a distance. This cable also dou...
Reverse Mount Tactile Switch Buttons - 6mm square - 10 Pack
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Have you ever seen a tactile button do a headstand? This little clicky button is like a circus (circuit circus?) performer, contorting itself so its legs stick up instead of down the way most are. We think these could be used in SMT projects where you want to have a button that comes through a PC...
40-pin FPC to Right Angle 2x20 IDC Male Plug Header Adapter
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A 40-pin FPC to right-angle 2×20 IDC male plug header adapter board. Converts a standard 40-pin 0.5mm pitch FPC/FFC cable connection into a male GPIO plug, allowing you to connect HATs and Bonnets at a distance from your Raspberry Pi via a slim, flexible cable. Insert the male plug into your HAT...
Anodized Aluminum Metal Keyboard Plate for 60% / GH60 Cases
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This anodised aluminium keyboard plate provides a solid, stable mounting surface for MX-compatible key switches in a 60% / GH60 keyboard layout. Snap your switches into place for a firm, satisfying typing feel that only a metal plate can deliver. Designed to sit between your keyboard PCB and enc...
Round RGB TTL TFT Display - 2.1" 480x480 - Capacitive Touch
This is a screen for advanced hackers who like the look of a nice, round TFT screen with tons of pixels. The 2.1" diagonal sized display has 480x480 16-bit full-color pixels and is an IPS display, so the color looks great up to 80 degrees off-axis in any direction.The TFT driver is ST7701S and us...
Slim Right-Angle USB-C to USB-C Cable 75mm – Opposite Plugs
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This short USB-C cable is made for tidy, compact connections where a standard cable would take up too much space. It is well suited to linking USB-C devices inside an enclosure or anywhere you need a low-profile cable run.The right-angle metal plugs are durable and easy to grip for plugging and u...
Miniature Slip Ring - 12mm diameter, 6 wires, max 240V @ 2A
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With a slip ring assembly, your electronics can now twist and turn safely. Add wheel encoders, 360 degree sensors, rotating LEDs, rotors and more! We've seen a lot of people DIY slip ring's out of desperation but no longer, simply pick up one of these to solve any rotation needs you have.Inside t...
Diffused 'Piranha' Super-flux RGB (tri-color) LED (10 pack)
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Diffused 5mm tri-colour LEDs with separate red, green, and blue chips inside a square "Piranha" (super-flux) package. With a 90° viewing angle and up to 3000mcd combined brightness, these LEDs are great for colour mixing, indicators, and illumination projects. They plug into a breadboard diagonal...
DIY HDMI Cable Parts - Right Angle (R Bend) Micro HDMI Plug
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A right-angle (right bend) Micro HDMI plug adapter for building custom HDMI cables. Attach it to a DIY HDMI ribbon cable using the integrated flex cable clip — no soldering required. Tested at 1080p with Raspberry Pi. Specifications Connector – Micro HDMI (Type D) plug Orientation – Right ang...
Stainless Medium Conductive Thread - 3 ply - 18 meter/60 ft
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A 3-ply conductive thread made entirely from 316L stainless steel fibre. Thin enough to sew by hand with a medium-eye needle, yet strong and smooth — ideal for wearable electronics, e-textile projects, and sewable circuits. With a resistivity of approximately 10 ohms per foot, this thread can dr...
16mm Illuminated Pushbutton - Yellow Latching On/Off Switch
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A 16mm illuminated pushbutton with a built-in yellow LED and latching on/off action. Press once to switch on, press again to switch off — ideal for power switches, mode selectors, and control panels. The LED is wired independently from the switch contacts, giving you full control over when the l...
Mini Soft Touch Push-button Switches (6mm square) x 10 pack
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Put your project in stealth mode with these super slim, super tiny, and silent Mini Soft Touch Push-button Switches. They're less 'clicky' than tactile switches, they have a rubbery elastomer that feels good to press. No dangly spider-leg-pins to solder as these buttons are SMD. We see these...
Light Gray 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 light gray DSA keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switch to turn your Feather&nbs...
JST SH 1mm Pitch 3 Pin to Socket Headers Cable - 100mm long
A 100mm adapter cable with a 1mm pitch JST SH 3-pin connector on one end and 0.1" (2.54mm) pitch socket headers on the other. Ideal for connecting to JST SH ports on development boards such as the Raspberry Pi Pico Debug Probe, Pico WH debug port, and other 3-pin JST SH-equipped devices. The soc...
Camcorder Battery Holder for Panasonic CGR-D28 and CGA-D54s
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This battery holder is designed to clip and hold Panasonic camcorder lithium-ion battery packs, providing a convenient high-capacity power source for custom projects. Simply snap your battery in, and use your existing charger to top it up when needed. Compatible Batteries Panasonic CGR-D28 – 7...
