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Cultivate curiosity.
Grow skills with Arduino projects.

Discover inspiring community-made projects — perfect for beginners, tinkerers, and anyone looking to bring creative electronics ideas to life.

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Where ideas take root and creativity blooms.

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Boards & Kits

Find the Arduino boards and starter kits, trusted by creators around the world.

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Accessories

Your project’s best supporting cast.
 From sensors to shields, find the pieces to complete your creation.

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Arduino Cloud

Watch your ideas come alive - anywhere. Monitor, automate and control your IoT projects from any device.

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Grow ideas into projects

From beginner-friendly guides to expert picks, these real-world projects show how you can learn electronics, experiment with coding, and bring your own DIY creations to life.

Informal collage showcasing technology and nature: an orange microcontroller board with various components, a small bird perched on a wooden birdhouse in a sunlit natural setting, and a circular portrait of a smiling young man. A teal 'DONE WITH ARDUINO' badge is in the foreground.

Welcome birds
with DIY smart house

Turn your backyard into a tech-powered
nature hub, creating your own smart birdhouse
that captures every feathery visitor.
And you can decide who’s welcome or not.

CERTIFIED BY
Arduino expert Benjamin D.

TOOLS USED
 Plug and Make Kit - now at 20% OFF
with free shipping - Arduino Cloud and Arducam

Start with Plug & Make kitexplore the project
Informal collage showcasing technology and nature: an orange microcontroller board with various components, a small bird perched on a wooden birdhouse in a sunlit natural setting, and a circular portrait of a smiling young man. A teal 'DONE WITH ARDUINO' badge is in the foreground.
Close-up shot of a small, young green plant with rounded, fleshy leaves, possibly a Hoya cumingiana or Peperomia, growing in dark soil within a terracotta pot. The background is a light, neutral color.

Thirsty plants? You’ll know

Keep your plants happy and hydrated.
With your own soil moisture monitor,
your plants will never go thirsty.

CERTIFIED BY
Arduino expert José Bagur

TOOLS USED
 Arduino UNO R3 and sensors -  now at 20% OFF

Start with UNO R3explore the project
Close-up of a finger touching a modern, square, silver and black smart home light switch or thermostat mounted on a textured white wall. The switch has a circular digital display with illuminated indicators.

Upgrade your doorbell:
smarter, cooler and DIY-ready

Turn your regular doorbell into a smart, connected one,
without taking anything apart. Answer the door with Wi-Fi
and a touch of maker magic.

CERTIFIED BY
Arduino expert Christopher Mendez

TOOLS USED
 UNO R4 WiFi - now at 20% OFF

start with UNO R4 WiFiExplore the project
Close-up of a finger touching a modern, square, silver and black smart home light switch or thermostat mounted on a textured white wall. The switch has a circular digital display with illuminated indicators.
Outdoor scene with an orange Arduino board connected to sensors, next to a glass pitcher of water, a drinking glass being filled with water by a hand, and a pair of sunglasses on a light blue surface. Suggests a project possibly related to liquid level sensing or a drink dispenser.

Plug and Make Kit

Make your own weather 
report at home

Track temperature, humidity, and more. Build your own weather forecast station.
Discover more

START BUILDING
Informal collage showcasing a smiling man wearing glasses, a laptop open to a dashboard with orange and green graphs, an Arduino Portenta C33 microcontroller, a smaller black circuit board, and a prominent orange 'HACKED WITH ARDUINO' badge.

Nicla Sense ENV

Keep an eye on nature with your own air tracker

Track temperature, humidity, and air quality with precision.
Certified by: Arduino expert José B.
Discover more

START BUILDING
Top-down view of a wooden surface with a potted plant containing dark soil and a sensor inserted, a round black Arduino device (possibly an Oplà IoT Kit carrier) with exposed components, a pair of gardening gloves with a dotted pattern, and two metal plant markers labeled 'Basil' and 'Ficus'.

Oplà IoT Kit

Transform your balcony 
into a smart farm

Grow, monitor and control your vegetables, even in the city.
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START BUILDING
Person's hands typing on a laptop, which is elevated on a light-colored wooden, laser-cut laptop stand. Next to the stand is a small potted succulent plant. The scene is set on a light-colored desk.

UNO R3

Unleash your green side

Watch your plants grow smarter, maintaining excellent conditions. Discover more

START BUILDING
Close-up of several metallic bronze-green beetles, possibly Japanese beetles or garden chafers, on a bright green, serrated leaf of a vine, showing some feeding damage. The background is blurred green foliage.

Nicla Vision

Safeguard your garden and vines in a smart way

Detect and monitor any pest infestations with smart vision. Protect your garden or vineyard from further damage.
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START BUILDING
A golden-haired dog, possibly a Golden Retriever, looks intently at an automated pet feeder. The feeder is a DIY-style construction with a clear plastic bottle full of kibble, mounted on a light wooden box containing electronic components and wiring, with a red bowl at the base. A large green leaf is visible to the left against a green background.

Plug and Make Kit

Elevate your pet’s mealtime routine

Build a feeder that knows when it’s mealtime, even when you're not home.
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START BUILDING
Arduino-powered automated plant watering system: Image displays the setup with multiple plant pots, the control system with wiring, the Arduino board used for the project, and a portrait of the creator. An 'AMAZING, IT'S ARDUINO' badge highlights the technology.

MKR WiFi 1010
and Edge Control

Take care of your plants in a smart way with


Automate your garden with real-time control, reduce waste, and grow more with less.


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START BUILDING
A hand drops a plastic bottle into a smart recycling bin. The bin has a metallic frame and a transparent green top section with a yellow ear icon, suggesting sound or voice recognition. The bin below is divided, with one section labeled '#!? OTHER'.

Portenta C33

Build a smarter recycling system

Monitor waste levels and get notified when bins need emptying.
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START BUILDING
Informal collage showing hands typing on a laptop displaying code on the screen. The image is overlaid with a piece of digital tape, a blue 'ARDUINO CLOUD' logo with sparkles, and a yellow hexagonal 'ARDUINO INSIDE' badge with a heart icon.

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Start your next DIY project

Whether you're a beginner or a seasoned maker, this is the place to find your next Arduino project to build. Learn by doing, remix ideas, and share your own creations with the global Arduino community.

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