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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 2001-2020 of 2783 products · 576 unavailable products hidden
Monochrome 2.3 128x32 OLED Graphic Display Module Kit
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If you've been diggin' our monochome OLEDs but need something bigger, this display will delight you. These displays are 2.3" diagonal, and very readable due to the high contrast of an OLED display. This display is made of 128x32 individual blue OLED pixels, each one is turned on or off by the con...
Espruino 1.4 - Open Source Javascript Microcontroller
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Try the JavaScript of things with the Espruino - the world's first open-source JavaScript microcontroller! This little board has an STM32 microcontroller pre-programmed with Espruino all ready to go so you can start playing with Javascript-microcontrollers. Warning: if you only use Assembly an...
1.2 8x8 Matrix Square Pixel - Yellow [KWM-R30881CUYB]
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This 1.2″ 8×8 LED Matrix features 64 yellow LEDs arranged in a square grid, perfect for building scrolling signs, simple animations, or small pixel displays. The compact package plugs directly into a breadboard with 0.1″ pin spacing — eight pins on each side. The matrix requires 1:8 multiplex dr...
INA169 Analog DC Current Sensor Breakout - 60V 5A Max
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This breakout board will solve all your current-monitoring problems. Instead of struggling with a multimeter, you can just use the handy INA169 chip on this breakout to both measure both the DC current draw and have a handy analog output that is with respect to ground. The analog output makes thi...
Motor Mount for TT Gearbox DC Motors - L-Bracket Type
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You have a TT motor, but you need to attach it to your CNC project, eh? Not so easy if you don't have an L-Bracket DC Motor Mount just like this fine one here! Made of 2mm aluminum metal, it's got a solid construction and is easy to get going. There are 4 mounting screws so you kno...
Anodized Aluminum Machined Knob - Red - 20mm Diameter
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This Anodised Aluminium Machined Knob in cherry red is a premium upgrade for any rotary encoder or potentiometer. Solid machined aluminium with knurled sides for a secure grip and a shiny anodised finish that looks right at home in a recording studio. A white triangle indicator on the top lets y...
5mm Chromed Metal Narrow Bevel LED Holder - Pack of 5
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Keep your 5 mm LEDs securely mounted with these chromed metal LED holders featuring a narrow bevel finish. Slot the LED through the opening, insert the plastic retaining cap, and tighten the threaded washer for a clean, professional look on any panel or enclosure. Key Features Chromed Metal – ...
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 blue DSA keycaps for your next mechanical keyboard or NeoKey project. Snap 'em onto any Cherry MX or compatible switch to turn your Feather or&...
Edge-Launch SMA Connector for 0.8mm / 0.031 Slim PCBs
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This is a great connector for anyone doing RF work, when an SMA connector is required. It hugs the edge of a "half thickness" 0.031" thick PCB (or thinner!) and 'launches' off of the edge. We like these for their ease of soldering and low profile. Mates with any SMA plug, we also have an SMA to R...
DC Gearbox TT Motor to LEGO and Compatible Cross Axle
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But what do you do when you want to add LEGO-compatible bricks and parts to your robotics project? This is the axle you need! Just push the axle housing end onto the shaft of your DC Gearbox "TT" motor, and it's ready to adapt to the standard LEGO-compatible cross axle parts, including ge...
RCA (Composite Video, Audio) Male Plug Terminal Block
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One truth about working with A/V is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block RCA connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is the RC...
Flexible Silicone Neon-Like LED Strip - 1 Meter - Red
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Here at Adafruit we love discovering new and exotic glowing things. Like moths to the flame, we were intrigued by these fresh Flexible Silicone Neon-Like LED Strips! They look a lot like neon, but without the need for expensive transformers, glass tubing or inert gasses. Super flexible an...
Flanged Weatherproof Enclosure With PG-7 Cable Glands
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A heavy-duty weatherproof enclosure with mounting flanges and two built-in PG-7 cable glands. The machinable ABS plastic body and polycarbonate cover are sealed with a built-in gasket, and the cable glands allow weather-tight cable entry while keeping dust and moisture out. The enclosure fits an...
Silicone Cover Stranded-Core Wire - 25ft 26AWG - Blue
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Silicone-sheathing wire is super-flexible and soft, and its also strong! Able to handle up to 200°C and up to 600V, it will do when PVC covered wire wimps out. We like this wire for being extremely supple and flexible, so it is great for wearables or projects where the wire-harness has to be able...
USB 2.0 and Ethernet Hub - 3 USB Ports and 1 Ethernet
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One can never have enough socks, or USB ports. Add some more USB and Ethernet capability to your Raspberry Pi or, really, any kind of computer with this USB 2.0 and Ethernet Hub! This handy combo-hub has 3 USB 2.0 ports, and a AX88772A Ethernet transceiver. This chipset is really com...
nRF52832 Bluetooth Low Energy Module - MDBT42Q-512KV2
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If you have a custom PCB design and you'd like to add a little Bluetooth Low Energy, this module is ultra compact and easy to use. It contains a Nordic nRF52832 chip that comes integrated with BLE radio as well as most of the supporting circuitry and even a chip antenna. The whole thing comes ...
Miniature Wired LEDs - 0805 SMT LED - Purple - 5 pack
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These ultra-fine wired LEDs are designed for model-makers and crafters but they could also come in handy for folks who want to add tiny points of light to a design without needing SMT-level soldering skills. Use this five-pack bundle of Miniature Wired 0805 LEDs for easy-breez...
Square Force-Sensitive Resistor (FSR) [Interlink 406]
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A force-sensitive resistor (FSR) that changes its resistance based on how much pressure is applied. This Interlink 406 model features a 38 mm square sensing region, making it useful for detecting physical pressure, squeezing, and weight in your projects. FSRs are simple and low cost, but not pre...
0.05" Pitch Thru-Hole Female Socket Header 2x5 10-pin
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This compact female socket header uses a fine 0.05" (1.27mm) pitch in a 2×5, 10-pin layout, making it a handy connector for small PCBs, sensors and prototyping work.It was originally designed for use with the PMSA003I PM2.5 air quality sensor and its breakout board, but it is also useful anywhere...
Through-Hole Resistors - 220 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 220Ω Resistors. More specifically, they are carbon film, through-hole axial type, with 1/4 Watt max dissipation, 300V max voltage, ...