I'm making a glowing crystal diorama! **MATERIALS:** **Smoke machine:** - Vape - Air pump - Plastic/silicone tube - Liquid container - T/L connectors (for the tubes) **Other electronics:** - Individua ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

Get the latest news, photos, videos, and more on Unmanned aerial vehicle from Yahoo - Latest News & Headlines.

Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It ...

At nearly 8 feet wide the Lightwall is larger than most TVs but with much less resolution. At nearly 8 feet wide the Lightwall is larger than most TVs but with much less resolution. is a senior ...

As expected from the trademark filing late last year, Sony’s RGB LED technology will be called “True RGB” and is coming this spring. The new TV (Bravia 10, or better yet, Bravia X?) has been ...

An Arduino library for 7-segment display modules based on the TM1637 chip, such as Seeed Studio's Grove 4 digit display. The TM1637 chip also has keyboard input capability, but it's not implemented in ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Our thorough and independent lab tests show which carbon monoxide (CO) detectors will sound the alarm when there's a build-up of the killer gas and which will remain silent – so that you can buy a ...