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Printed Circut Boards - Complete Process

“The following describes the process by which I create PC circuit boards for one-offs and prototype use. It is written for a person who has created their own boards in the past and is familiar with the general process. All …

Raspberry Pi Car with FPV Camera Controlled by a Smartphone

“In this article, I will demonstrate how to make a robot car controlled using web browser (also mobile browser ) with camera preview. About tutorial In this article I will demonstrate how to make a robot car controlled using web browser …

Record efficiency for perovskite-based light-emitting diodes

“Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6%, which is a record. The results have been published in Nature Photonics. The work is led by …

Researchers generate the shortest ultraviolet laser pulse ever

“Researchers at the Center for Free-Electron Laser Science (CFEL) have generated a 1.9-femtosecond ultraviolet laser light pulse – setting arecord for ultraviolet (UV) laser pulses with the shortest duration. The experiments, published in the recent issue of the scientific journal …

Project  Robotic Rat

Robotic Rat

“I have been building robots and fixing old computers for some time now and my robotics teacher told me that it was good time to start sharing with other people what I have learnt. So here we go! One day …

Slot Machine

“I remember when I was a 17-year-old, recent high school graduate, and was traveling with my grandparents from California back to their home in Michigan. Of course we stopped in Las Vegas and walked the Strip just to see what …

Smart glove for Industry 4.0: Connecting the physical hand to the virtual world

“Researchers at Saarland University have created an ultrathin flexible film that can act as a sensor for innovative technologies. Integrated within a glove, the new sensory film can communicate the current position of the wearer’s hand and fingers. By …

Solder Paste Dispensing Head

“This is a custom solder paste dispensing head that can be added on an existing CNC machine. The CNC machine, for which the dispensing head is currently developed, is a FABtotum multipurpose device (https://opentotum.github.io/fabtotum.com-backup/): CAD …

Sound Reactive Light Cube , Featured in Hackspace

“IntroductionToday we are going to make a sound Reactive wooden cube. Which will be changing color in perfect sync to the surrounding sounds or vibration. Featured in #Hackspace 16th issue https://hackspace.raspberrypi.org/issues/16 Hardware required Arduino Nano …

Teeny-Tiny Bluetooth Transmitter Runs on Less Than 1 Milliwatt

“Bluetooth Low Energy data packets can now be sent by millimeter-size IoT motes You’re probably swimming in Bluetooth radio signals right now. But none of those are coming from the smallest, lowest-power end of the Internet of Things. These …