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50 Cool Arduino Projects for March 2021

Measure
Measure
Summary | 26 Annotations
Arduino’s Project Hub database alone counts over 6,300.
2021/03/05 17:24
If you have a 3D printer and an Arduino board burning a hole in your pocket, keep scrolling for some project-based inspiration.
2021/03/05 17:27
Security Access
2021/03/05 17:28
This tutorial illustrates how an RFID reader works and how it can be the first step towards a working security system. You need an Arduino Uno, an RFID reader breakout chip, and some RFID / NFC cards. The project is well-documented and easy to build. Who made it? Aritro Mukherjee More information: Arduino Project Hub.
2021/03/05 17:28
Radar
2021/03/05 17:29
With a little help from an ultrasonic sensor, a piece of cardboard and a small servo motor for rotating the whole array, you can build a small portable radar station. Hook it up to a display to show the data in 80’s-style fluorescent green wireframe graphics. Who made it? Dejan More information: How To Mechatronics
2021/03/05 17:29
Air Quality Monitor
2021/03/05 17:30
The PurpleAir website measures air quality worldwide in real-time. With an Arduino MKR 100, you can tap directly into the data of your area and display the air quality reading on an LED screen. A huge help, and not only for people with health conditions. Who made it? 8bitkick More information: Arduino Project Hub.
2021/03/05 17:31
Home Security Alarm
2021/03/05 17:32
Why not build a simple yet effective home security system? It calls the homeowner on a mobile number in the event of an intruder alert. To set up your personal alarm system, you’ll need an Arduino Uno, a breadboard, some sensors, and a GSM module for calling your phone. The code for the Arduino is included, so the project shouldn’t be too demanding even for beginners. Who made it? Electronics Hub  More information: Electronics Hub
2021/03/05 17:32
Weather Forecast
2021/03/05 17:38
A barometer measures atmospheric pressure, giving you a short term indicator of the changing weather. Using an Arduino microcontroller hooked up to a servo motor (acting here as a dial indicator), you can build your own. Once the arrow moves to the left, the probability of changing weather and rain is higher and vice versa. It’s an easy Arduino DIY project for beginners. Who made it? Mircemk More information: Arduino Project Hub
2021/03/05 17:40
Cafeino
2021/03/05 17:44
Cafeino is a connected robot that makes high-end artisanal coffee. It even mimics the hand pouring technique of a skilled human barista. Who made it? user04650005 More information: Arduino Project Hub
2021/03/05 17:44
Pet Feeder
2021/03/05 17:51
This project could become the centerpiece in your cat’s or dog’s life: An easy-to-use automatic pet feeder that offers adjustable feeding times, and even adjustable feeding portions. Besides an Arduino Nano R3, you’ll need some 3D printed parts and access to a circular saw, making this a project for experienced makers. Who made it? Russo08 More information: Arduino Project Hub.
2021/03/05 17:51
Mind Controlled Drone
2021/03/05 18:19
Are you looking for a project with a distinct Sci-Fi flair? Get a MindWave sensor, Arduino MKR1000, and a breadboard, and you’ll be part of the way to your very own mind-controlled drone. Thanks to the code provided on the Arduino Hub, you can be up and flying in less than a day. Kinda magic! Who made it? WesleyCMD More information: Arduino Project Hub
2021/03/05 18:19
Sun Tracking Solar Panel
2021/03/05 18:20
If you want to maximize your use of solar panels, then they should follow the sun. With an Arduino, some servo motors and sensors, you can build a contraption that will keep your panel perpendicular to the sun all day long. Who made it? Fielding More information: Arduino Project Hub.
2021/03/05 18:20
Greenhouse
2021/03/05 18:21
This greenhouse keeps your plants healthy by monitoring temperature, brightness, and humidity. Arduino-controlled stepper motors open the upper panel, switch on lights, and water the plants. If something gets out of bounds, the system will alert you with visual and acoustic feedback. It’s a project that will grow on you. Who made it? Daniele / Christian More information: Arduino Project Hub.
2021/03/05 18:21
Camera Tracking System
2021/03/05 18:25
If you’ve ever looked at the night sky using a telescope, you know how hard it is to keep a celestial object in focus, as everything is in constant motion. With this telescope camera tracking system, things get a lot easier. A dedicated software running on an Arduino sends instructions to a stepper motor, so your telescope can keep track of the object. Great for photography! Who made it? Nick31 More information on: Arduino Project Hub.
2021/03/05 18:26
Speech Recognition
2021/03/05 18:37
With just a tiny Arduino board and a computer, you can build a speech recognition system. Setting the hardware up is easy; most of the hard work here is in programming and refining your work to improve the results. Once it‘s up and running, you could take this project and integrate it into other DIY projects. Who made it? Ashish Choudhary More information: Circuit Digest
2021/03/05 18:37