This simple intercom device unlocks an apartment building front door

Reading Time: 2 minutesMany apartment buildings in urban areas have intercom systems that give residents the ability to unlock the building’s front door when a visitor calls. The visitor selects the resident from a list and the system connects them to that resident’s intercom. The idea is that the resident will recognize their visitor and push a button […]

Arduino has guest-edited a special edition of Elektor Magazine — and we’re giving away the digital copy for only €1 for a limited time

Reading Time: 3 minutesCelebrating the very unique Elektor Magazine guest-edited by Arduino You can rely on Elektor for solutions and insights to all your electronics challenges. Elektor breaks the constraints of a magazine. It’s a community of active e-engineers — from novices to professionals — eager to learn, make, design and earn surprising electronics. Every edition of Elektor […]

This Tee Eye calculator sculpture tells a story

Reading Time: 2 minutesMoore’s Law and the rapid progression of technological development have one very serious downside: e-waste. Because so many electronic devices become obsolete within just a few years, the world ends up with literal mountains of discarded devices that no longer serve any practical purpose. Fortunately, humans value more than practicality. Eddie Farr proved that when […]

Monitoring environmental pollution with the Arduino MKR WAN 1300

Reading Time: 2 minutesThe scourge of air pollution claims several million lives globally each year, with industrial processes and energy production accounting for much of it. Because of its harmful nature, governments often set up air quality monitoring stations, although they have to cover large areas and yield low resolution data. To monitor the air quality of a […]

Add a scale to your bike repair stand

Reading Time: 2 minutesIf you do a lot of work on bicycles then a decent repair is very valuable. They can clamp onto various parts of the frame, like the top tube or seat tube, and support the bike while you work on it. Truing a wheel, for example, is much easier with a bike stand. And if […]

Build an affordable color mixer box for photography

Reading Time: 2 minutesLighting is the single most important factor when it comes to capturing good photos. For a conventional setup, you probably want diffuse, indirect light in a natural color. But you can get more creative with the use of colored light. RGB box lights let you set whatever hue you want, but they aren’t cheap. Arnov […]

Being a PLC engineer just became a lot easier!

Reading Time: 2 minutesWith the demand for PLC programming rising due to the spread of automation in a wide range of industrial fields, we felt we had to step up for our community of budding and experienced engineers! That’s why we have just launched a dedicated Arduino PLC IDE, which supports the five languages defined by the IEC […]

DIY digital spool scale tells you how much filament is left

Reading Time: 2 minutesWe’ve all been there: you’re about to start a new print job and the filament on the spool is looking pretty sparse. You start the print hoping that there is enough filament for the job, but it runs out 90% of the way through and your part is ruined. A filament runout sensor will help […]

Detect vandalism using audio classification on the Nano 33 BLE Sense

Reading Time: 2 minutesHaving something broken into and/or destroyed is an act that most people hope to avoid altogether or at least catch the perpetrator in the act when it does occur. And as Nekhil R. notes in his project write-up, traditional deterrence/detection methods often fail, meaning that a newer type of solution was necessary. Unlike other glass […]

Binbot 9000 moves to where the trash is

Reading Time: 2 minutesOur modern societies create a lot of garbage, which we can fortunately remove from our homes thanks to local waste management services. But the garbage people won’t come sift through your house for refuse, which forces you to utilize trash bins. Those bins never seem to be nearby when you need them, which is why […]

This health belt can provide early warning of heart failure

Reading Time: 2 minutesHeart disease is the most common cause of death — not just in industrialized countries, but for the world as a whole. Many deaths caused by heart failure could be prevented if the patient received medical care sooner, but people are often unaware of impending heart failure until it actually occurs. However, there are physiological […]

Fully automated desktop weaving machine controlled by Arduino

Reading Time: 2 minutesAutomated weaving machines are one of the most important (and underappreciated) advancements to come from the industrial revolution. Prior to their invention, most people only owned a few garments that were woven and maintained by the family. With the introduction of machines able to churn out textiles, affordable clothing suddenly became available. As an expert […]

The new Arduino Cloud for Business will have you… on a cloud!

Reading Time: 5 minutesWhile our philosophy is all about the democratization of technology, we are well aware that businesses and professional users have specific needs: that’s why our Pro business unit is entirely focused on catering to them, with dedicated solutions that meet the strictest requirements for performance and security. And after growing our Arduino Pro hardware portfolio […]

This skull-like android head was made to mimic human expressions

Reading Time: 2 minutesPeter Balch visited a robot exhibit at his local museum and noticed that one of the most popular pieces was a robot head that would track and mimic visitors’ faces. That was so interesting that Balch decided to replicate the project in order to learn how it was done. To do that, he first needed […]

See how Ben Eater reverse engineered an ’80s TV-censoring device

Reading Time: 2 minutesBack in the 1980s, there existed a piece of hardware called the “TVGuardian,” which would attempt to censor incoming video in real-time. As recently covered by the wonderful YouTube channel Technology Connections, the TVGuardian reads captioning data as it’s sent and then replaces the bad word(s) with an alternative phrase and also mutes the audio. Upon […]

Turning a K-Way jacket into an intelligent hike tracker with the Nicla Sense ME

Reading Time: 2 minutesGoing for a hike outdoors is a great way to relieve stress, do some exercise, and get closer to nature, but tracking them can be a challenge. Our recent collaboration with K-Way led Zalmotek to develop a small wearable device that can be paired to a jacket to track walking speed, steps taken, and even the […]

Designing a 3D-printed EMG bionic hand as a low-cost alternative to prosthetic limbs

Reading Time: 2 minutesThe cost of a new prosthetic arm can range from several thousand dollars to tens of thousands, putting them out of reach for many people. Ahmad Ikram recognized this need and decided to design and build a far cheaper, open source version that has myoelectric capabilities. To begin this project, Ikram decided upon using the InMoov 3D-printed arm […]

Why using 3D printing in your smart home is so useful

Reading Time: 3 minutes3D printing, the stuff of science fiction only a few short years ago, is becoming more widely available all the time. Buying your own 3D printer to keep in your home is now fairly accessible, with entry-level printers available for just a few hundred dollars. But why would you buy one? It’s easy to think […]

Enjoy the ultimate espresso machine on a budget with Gaggiuino

Reading Time: 2 minutesThere are few beverages on this planet that enthusiasts take more seriously than espresso. Aficionados care about and tune everything from steam pressure to bean roasting temperature. But espresso machines that provide both accurate and precise adjustments are very expensive — easily several thousand dollars. Fortunately, you can tackle the Gaggiuino project to upgrade an […]

Introducing Arduino’s IoT Bundle and what it means for you

Reading Time: 4 minutesWe’re excited to announce the launch of the new Arduino IoT Bundle. This is built to help you dive into the complex and fascinating world of the Internet of Things with even more confidence and possibility — giving you the hardware, software, and components you need to create your own connected IoT projects. So how […]

Always know current room conditions with the Oplá IoT Kit and Arduino Cloud

Reading Time: 2 minutesRobert John likes to keep a constant eye on the current temperature and humidity of his room, as even small fluctuations can lead to uncomfortable conditions. And although he can remotely turn the air conditioning on or off, he still needed a way to track these values throughout the day and log them for future […]