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DIY Simple Arduino Frequency Meter Up to 6.5MHz

“Today I will show you how to build simple Frequency counter capable to mmeasure frequences of reactangular, sine or triangular signals up to 6.5 MHz. The device presented in the video is a frequency meter made using an Arduino …

DIY Tachometer (RPM Meter)

“In this project I will show you how a 3 IR distance sensor works and how we can use it to build a proper DIY tachometer that functions properly. Let’s get started! Here you can find a parts list …

DIY Yihua Soldering Station

“If you are into electronics hobby like me, you must have use a soldering iron in order to make your prototypes or final product. If this is your case, you probably have experienced how your soldering iron, along hours of …

Helping robots avoid collisions

“Realtime Robotics has created a controller that helps robots safely move around on the fly. George Konidaris still remembers his disheartening introduction to robotics. “When you’re a young student and you want to program a robot, the first thing …

How to train a machine to see 3D in the dark

“Researchers at The Australian National University (ANU) have developed a new way to create an almost perfect hologram in near darkness. Optical holograms are a clever way of producing a 3D image of an object. They have a number of …

KAUDA Robotic Arm

“KAUDA is a printable and DIY robotic arm developed with the aim of creating a robot that could cover the functions you want at a low cost, without losing quality and efficiency. Developed by a maker for makers, for those …

Laser Cut Cart-Pushing Robot

“This cheerful DIY desktop companion pushes its own power pack! Cart Bot’s only function is to make the world a little more delightful by jauntily jogging ever forward. I love designing laser cut robots. It’s incredibly satisfying to …

LED Sound Reactive Infinity Cube End Table

“Wow! Whoa! What a cool effect! — These are some of the things you’ll hear upon completing the guide. A completely mind-bending, beautiful, hypnotic, sound-reactive infinity cube. This is a modestly advanced soldering project, it took me about 12 man …

Lighting the way to infrared detection

“EPFL physicists propose a new path to detect infrared radiation with outstanding sensitivity, allowing detection of signals as low as that of a single quantum of light. When using our webcam or cell phone camera, we experience the tremendous capabilities …

Liquid water at 170 degrees Celsius

“Using the X-ray laser European XFEL, a research team has investigated how water heats up under extreme conditions. In the process, the scientists were able to observe water that remained liquid even at temperatures of more than 170 degrees Celsius …