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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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![8-channel Bi-directional Logic Level Converter [TXB0108]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCYqZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--4cf55d9907f827f924d31999d4881bf146b6a439/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_70ec226c-80c9-4e61-a8c7-7527a089687c.jpg)
8-channel Bi-directional Logic Level Converter [TXB0108]
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An 8-channel bidirectional logic level converter breakout based on the TXB0108 chip. This converter automatically detects signal direction, eliminating the need for direction control pins. It shifts between virtually any two voltage levels, making it ideal for connecting 3.3V and 5V devices. The...
USB A Jack to Micro USB B Jack Round Panel Mount Adapter
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If you need to add a panel-mount connection for Micro USB, but don't have the time or ability to cut a custom oval or square hole, this USB A Jack to Micro USB B Jack Round Panel Mount Plug is the easiest and fastest way to panel-ify your existing kit. It's about 30mm in diameter, so you can dril...
Half Size Breadboard + 78 Piece 22AWG Jumper Wire Bundle
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This is a cute half-size breadboard with an assortment of small jumper wires, great for prototyping. Breadboard is 2.2" x 3.4" (5.5 cm x 8.5 cm) with a standard double-strip in the middle and two power rails on both sides. Power rails can be pulled off easily to make the breadboard as thin ...
74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter
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An 8-bit logic level shifter in a breadboard-friendly DIP package. The 74LVC245 converts between 3.3V and 5V logic levels, making it easy to interface modern 3.3V sensors and peripherals with 5V microcontrollers like Arduino. Even when powered at 1.8V, the chip safely accepts up to 5V signals on...
OLED Breakout Board - 16-bit Color 0.96 w/microSD holder
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We love our black and white monochrome displays but we also like to dabble with some color now and then. Our new 0.96" color OLED displays are perfect when you need an ultra-small display with vivid, high-contrast 16-bit color. The visible portion of the OLED measures 0.96" diagonal and contains ...
Octagon Chassis Frame - Blue Plastic - 16cm x 16cm x 4cm
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This Blue Octagon Chassis makes for an excellent robot body that's easy to machine and modify. It's a single piece of 4mm thick plastic, with a variety of holes, slots and cutouts for mounting boards, sensors, and servos. The sides are notched to fit two DC Gear 'TT' motors - you'll want to get f...
Micro USB B Jack to USB A Plug Round Panel Mount Adapter
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If you need to add a panel-mount connection but don't have the time or ability to cut a custom oval or square hole, this Micro USB B Round Panel Mount Plug is the easiest and fastest way to panel-ify your project. It's about 30mm in diameter, so you can drill a hole in your wood, plastic or ...
Small Single Row Wire Housing Pack for DIY Jumper Cables
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A pack of 50 small single-row wire housings for building custom jumper cable harnesses. Compatible with both male and female crimp pins, these housings let you create exactly the wire configurations your project needs. Available in five sizes from 1-pin to 5-pin, they snap together easily with s...
Kitty Paw Silicone Keycap Molds - MX Compatible Switches
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If you love our Kitty Paw Keycaps and love to customize, why not level up your DIY keeb-makin' skills and craft your own set of bespoke 'caps with these Kitty Paw Keycap Molds. If your kitty's paws are going to walk all over your keyboard, you at least want to be able to walk ...
Kailh CHOC Low Profile Red Linear Key Switches - 10-pack
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Kailh Choc Low Profile Red linear mechanical key switches in a pack of 10. These ultra-low-profile switches are significantly thinner than standard MX-style switches, making them ideal for slim custom keyboards and compact input devices. Key Features Linear Action – Smooth keystroke with no ta...
Solderless Breadboard for Raspberry Pi Pico by Monk Makes
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It can be tricky to work out which pin is which when the Raspberry Pi Pico is attached to solderless breadboard. Luckily, the MonkMakes Breadboard for Pico solves this problem by labeling the Pico pins on the breadboard.This cute 3.2″ × 2.1″ (82 × 53mm) solderless half-size breadboard has four bu...
Small Reduction Stepper Motor - 5VDC 32-Step 1/16 Gearing
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This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two mounting holes. There are only 32 step (11.25 degree) per revolution, and inside is a 1/16 reduction gear set. (Actually its 1/16.032 but for m...
NeoPixel Stick - 8 x 5050 RGBW LEDs - Warm White - ~3000K
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What is better than smart RGB LEDs? Smart RGB+White LEDs! These NeoPixel sticks now have 4 LEDs in them (red, green, blue and white) for excellent lighting effects. These are fun and glowy, and you can control each LED individually! Make your own little LED arrangement with this stick of ...
NeoPixel Stick - 8 x 5050 RGBW LEDs - Cool White - ~6000K
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What is better than smart RGB LEDs? Smart RGB+White LEDs! These NeoPixel sticks now have 4 LEDs in them (red, green, blue and white) for excellent lighting effects. These are fun and glowy, and you can control each LED individually! Make your own little LED arrangement with this stick of ...
Thin White Wheel for TT DC Gearbox Motors - 65mm Diameter
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We're keepin' it wheel with this one! Plastic gear-box motors (also known as 'TT' motors) are an easy and low cost way to get your projects moving. But we've noticed that there are not a lot of nice TT motor wheels to go along with them. This Thin White Wheel has solid...
Small Lock-style Solenoid - 12VDC @ 350mAh with 2-pin JST
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Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center of the coil. This makes the solenoid able to pull from one end.This solenoid in particular is nice an...
dLUX-dLITE Red Spike Shape LEDs 5 Pack by Unexpected Labs
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Sure, we've got all sorts of diffused bare LEDs in all sorts of colors and sizes. But have you ever laid your peepers on this set of punk spike LEDs? These look too cute and/or threatening and will look amazing for any fashion or cosplay themed electronics project.Add that extra zi...
16mm Illuminated Pushbutton - Blue Latching On/Off Switch
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A 16mm illuminated pushbutton with a built-in blue 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 lig...
Mini 3-Layer Round Robot Chassis Kit - 2WD with DC Motors
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A compact three-layer round robot chassis kit with two DC drive motors, matching wheels, and a caster ball for balance. The high-strength anodised aluminium alloy frame provides a sturdy platform for building your own 2WD mobile robot, with three layers of mounting space for batteries, controller...
ESP32 Dual Antenna WiFi + Bluetooth Module with 8MB FLASH
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ESP32-WROOM-DA (the DA is for Dual Antenna) is a powerful Wi-Fi + Bluetooth Classic + Bluetooth LE MCU module, with two complementary PCB antennas in different directions. Packed with 8 MB of internal QSPI Flash, it has lots of memory and great WiFi connectivity no matter where or how it is inst...
