Tic-tac-toe is normally played with a pen and paper, or perhaps with a physical marker, but maker “techiesms” has put a new spin on this classic pastime. His build, as seen here, features a wooden box that mounts onto the wall with nine square sections arranged in a grid pattern. Players take turns, activating a square […]
After observing a bicycle chain lying on the street in a random pattern, Ekaggrat Singh Kalsi was inspired to make a morphing clock that bends chains to tell time. The clock, known as “GETULA,” consists of four independent modules that work together to reveal the hour and minutes. Each GETULA module uses two stepper motors to […]
If you don’t enjoy sorting LEGO, you will be pleased to know that students at Bruface – or the Brussels Faculty of Engineering in Belgium – are working on an automated machine to do it for you! The team’s prototype device detects brick colors on a conveyor belt and picks them up via a gantry-style […]
IKEA sells – among many, many other items – a motorized sit/stand desk called the BEKANT. Although it seems like a nice item, creator “Hardware Unknown” found having to hold a button down the entire time that it goes from one position to another to be a bit inconvenient. To remedy this situation, he cannibalized […]
Vertical pen plotters, which work by suspending a drawing device between two variable lengths of cable, can be a lot of fun. When his kids stopped using a 780x1200mm blackboard, ‘tuenhidiy’ had the perfect surface on which to create his own! The project uses a pair of NEMA 17 motors to dictate the lengths of timing […]
Inspired by Wintergatan’s Martin Molin, iSax set out to create a MIDi-controlled robotic trombone of his own. Although the aptly named RoboTrombo may not replace professional trombone players anytime soon, it’s nonetheless an impressive musical hack. The instrument is controlled by an Arduino Nano running Firmata, along with a host computer, and employs a variety of […]
When working with electronics, voltage is fairly easy to measure, but current often takes a bit more finesse. For this purpose, Utsav Shah decided to create his own current sensor capable of handling up to 15A. The DIY device uses a shunt resistor, a voltage divider, and an LM358 op-amp to produce a voltage that […]
After three short years of use, Roni Bandini’s Samsung washing machine started to act erratically, and several technicians looked at it without really fixing the problem. Bandini then decided to take matters into his own hands and replaced its brains with a MKR WiFi 1010 board, along with four relays and a trio of buttons. This new […]
Over-the-air (or OTA) programming is a very useful feature in all those cases where your devices are located in places that are not easily accessible. For example, you built a weather station using the Oplá IoT Kit, installed it on your rooftop, and started monitoring the weather from an IoT Cloud dashboard. That’s great until […]
Arranging dominoes in such a way that they knock each other down in sequence can be a fun pastime, but what if you would like a machine to take care of lining them up for you? As seen in the video below, Lewis of DIY Machines has come up with just such a device featuring 3D-printable […]
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