Month: February 2019

Uncategorized

Common Chemicals Combine To Make Metallic Sodium

by:

There’s no debating that metallic sodium is exciting stuff, but getting your hands on some can be problematic, what with the need to ship it in …

Uncategorized

Blink An LED On The Internet Of Things

by:

Blinking an LED is generally considered the hardware equivalent of the classic “Hello World” project. It’s a quick and simple test to show that you’ve got …

Uncategorized

The No-Parts Temperature Sensor In Your Arduino

by:

Edward, creator of the Cave Pearl project, an underwater data logger, needed a way to measure temperature with a microcontroller. Normally, this problem is most easily …

Uncategorized

The FAA Mandates External Registration Markings For Drones

by:

Drone fliers in the USA must soon display their registration markings on the exterior of their craft, rather than as was previously acceptable, in accessible interior …

Uncategorized

An ATtiny Metal Detector | Hackaday

by:

A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of …

Uncategorized

Hands-on: Hacker Hotel 2019 Badge Packs ESP32, E-Ink, and a Shared Heritage

by:

When you go to a hacker conference, you always hope there’s going to be a hardware badge. This is an interactive piece of custom electronics that …

Uncategorized

Playing Pokemon On A CRT Thanks to A Powerful Microcontroller

by:

Microcontrollers come in a broad swathe of capabilities these days. There are the venerable 8-bit micros that have been around forever and valiantly crunch away, all …

Uncategorized

Putting the Brakes on High-Frequency Trading with Physics

by:

In the middle of the East Coast’s slow broil in the summer of 2018, a curious phenomenon surfaced. As a tropical air mass settled in and …

Uncategorized

New Kinect Sensor Switch Focus From Gamers To Developers

by:

Microsoft’s Kinect may not have found success as a gaming peripheral, but recognizing that a depth sensor is too cool to leave for dead, development continued …

Uncategorized

Reverse Engineering Keeps Keck Telescopes on Track

by:

Perched atop a dormant volcano far above the roiling tropical air of the Big Island of Hawai’i sit two of the largest optical telescopes in the …