While building a walking robot especially with less than six legs can be quite a challenge, maker “Skill Mill NYC” decided to construct a quadruped robot named DoggoBot using cardboard for its body. Four micro high torque servos power the legs, which are able to move the robot around with the help of unpowered knee joints. […]
In the video below, Brazilian maker Eduardo Zola shows us that you don’t necessarily need radio waves to pass messages between Arduino boards; instead, he’s using ultrasonics. Zola’s setup features TX and RX transducers desoldered from an HC-SR04 module along with a pair of Unos to transmit text short distances. An LM386 amplifier and LM393 comparator are […]
If you’d like to check out your pool or a lake without getting wet, this underwater ROV looks like a great solution. The DIY device features a sturdy PVC frame with six thrusters that allow it to move through water like a drone through the air (complete with depth and heading hold), and uses the same […]
Riding a bike can be great exercise, but unless you have access to a velodrome, when the weather turns bad, training is interrupted. There are of course training wheel setups that you can use to simulate riding indoors, but without the stimulus of actually moving, things can get boring rather quickly. The Infinity Bike by Alexandre […]
Tired of wondering what time it is at night, only to have to roll over to look at your alarm clock? If you’d like to avoid this nighttime inconvenience, then Kurt Andros has a great solution with his Arduino Mega-based Overhead Alarm Clock. The device consists of a nice wooden housing that gets mounted to […]
Ukuleles can be a lot of fun to play, and since cheap yet very playable versions can be had for under $50, they make a great target for hacking. And what better way to decorate an instrument by adding LEDs? Elaine Chow did just that to her uke, adding six LEDs in the fingerboard along […]
This device by Dejan Nedelkovski of How To Mechatronics implements both an ultrasonic sensor for range measurement and an accelerometer for measuring angles. While you’ve likely seen these implemented separately in other projects, combining them saves space, and allows the Arduino Nano onboard to use the two readings together to calculate a square area automatically. […]
If you have young kids, you’ve probably realized that they don’t exactly like to sleep in. While their energy levels are enviable, if their clock-reading skills haven’t yet caught up, this device by maker “JonathonT” looks like a great and simple solution. With help from an Arduino and an RTC module, Jonathon uses a trio […]
Graduate students Ben Wiener and Philip Zucker have been working on a classic controls problem for quite some time called an “inverted pendulum.” This type of device balances a stick on an axis, and in this implementation, a motor pulls the axis assembly that the pendulum—a paint stirrer—is sitting on to keep it stable. Control […]
Farmers have long been known for their ingenuity, able to accomplish urgent repairs with whatever is on hand. Now with the help of an Arduino, maker “rscholten” has even figured out how to automate his chicken coop. The device uses an Uno and a real-time clock module to schedule his automated coop door’s movement, while […]
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