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Complete Energy-Meter Evaluation Board from STMicroelectronics Combines Low-Cost Sensors and Robust Galvanic Isolation

“Accelerates time to market leveraging ST’s long expertise in utility and industrial metering applications A new evaluation board from STMicroelectronics speeds design of 3-phase AC Watt meters that meet the most stringent international quality and accuracy standards using low-cost …

Create Custom Animations on 16x2 LCD Displays

“Easily display custom animated glyphs on 16x2 LCD using the createChar() function from the LiquidCrystal library. The LiquidCrystal library makes it easy to use LCDs with Arduino. A particularly interesting function from that library is the createChar() function: you can …

Project  CyCubeTouch

CyCubeTouch

“Reincarnation of Rubik’s Cube as 3D-printed version with PSoC CapSense and WS2812B illumination. Most of you might have been still babies when Rubik’s Cube was an amazing more than just a toy in the 1980s, and it’s …

‘Defective’ carbon simplifies hydrogen peroxide production

“Plasma processing modifies carbon black powder to catalyze valuable chemical Rice University researchers have created a “defective” catalyst that simplifies the generation of hydrogen peroxide from oxygen. Rice scientists treated metal-free carbon black, the inexpensive, powdered product of petroleum production …

Desktop Equinox Clock

“Measuring Time The human mind has been fascinated by devices that keep track of time for thousands of years. A wide range of ingenious methods have been employed by different cultures including Chinese marked candles, Egyptian sundials and Roman clepsydrae …

DIY AOI RGB Light

“Want a color-angular approach to inspecting your solder joint fillet quality? This rainbow-dome is your solution for less than $20! Hackaday covered some of the tools used for soldering inspection and I’m interested in photographing parts with this unique …

Dual NiMh battery charger

“Automatic charger for NiMh batteries built on Arduino. You can buy some battery charger in the near supermarket, but for sure it is better to create your very own charger and have fun. This charger can be used to slow …

Easy Joule Thief Circuit

“A joule thief takes a low DC voltage and boosts it up to a higher voltage. You can even take a battery that other devices will consider to be drained and get a bit more of the energy out of …

Electric cable bacteria breathe oxygen with unheard efficiency

“Ten years ago, researchers at Aarhus University, Denmark, reported the discovery of centimeter-long cable bacteria, that live by conducting an electric current from one end to the other. Now the researchers document that a few cells operate with extremely high …

Emirates Mars Mission: Hope spacecraft enters orbit

“The United Arab Emirates is celebrating its first mission at Mars. It has put a probe called Hope in orbit around the planet, making it only the fifth spacefaring entity to do so after the US, the Soviet Union, Europe …