The E-Tongue works by applying a voltage to a water sample, causing any lead ions present to stick to the sensor's gold electrode. Then, the voltage is reversed, causing the lead to come off the ...

Of the total 634 tap water samples that were user-tested, 10 were shown to contain lead concentrations which exceeded EPA limits. The accuracy of these readings was confirmed when they were ...

Director of Water Supplies Roger Wong on Thursday said sensors will be installed by 2027 to monitor the change of water pressure in water mains. Wong was speaking on an RTHK radio programme after ...

What happens when an engineer builds a smart garden? This Arduino-powered system automates watering while collecting ...

For ionic polymer–metal composite (IPMC) sensors, these properties are closely related to inner water molecules, due to the unique composite structure. In this article, a technique for encapsulating ...

Also check out the add-on equipment companies provide. Do they offer different sensors or smart devices to monitor your entire home? Integration with smart home systems like Amazon Alexa or Google ...

IIT Guwahati researchers have created a fluorescent sensor that detects cyanide in water and human cells using UV light. The sensor changes color and emits bright fluorescence upon cyanide detection, ...

Labeling bottles manually takes a good chunk of time and effort. Addressing this, the YouTube channel Easy Home Made Projects has developed a DIY automatic labeling machine using an Arduino Nano, a ...

Assam CM Sarma meets Union Minister Reddy, urges for extraction and expansion of coal mining ...

As the first metal-oxide gas sensor featuring multiple sensing elements on one chip, the SGP30 provides more detailed information about the air quality. Download all the source files and open examples ...