Category Archives: Newsworthy

Automation Applications of Thermopile Arrays

For a temperature difference occurring between two ends of a thermocouple, it develops an electrical voltage difference. A series of such thermocouples form a thermopile sensor, with each element being a thin wire made from two materials differing in the thermal activity. All the hot junctions of the thermocouples are placed on a thin common absorbing area that forms the sensor face, while the cold junctions are placed on a heat sink with a high thermal mass. As an instrument, the thermopile sensor Read more [...]

Sensors, IoT, and Medical Health

Increasingly, people are looking for preventive care outside of a hospital setting. Medical providers, startups, and Fortune 500 technology companies are all trying out new products and devices for revolutionizing medical care and streamlining costs. While this reduces hospital readmission rates, patients in remote areas are getting the care they need. The evolving trend is towards remote patient monitoring, which is fundamentally improving the quality of care and patient outcomes right across the Read more [...]

Researching Hearing Aids with the Raspberry Pi

All around the world, millions of people benefit from wearing hearing aids. Apart from helping them to hear in a better way, hearing aids lower people’s risk of developing dementia, the likelihood for loneliness, and the possibility of their withdrawing from society. Testing hearing aids outside the laboratory can be a tough task, but researchers have found the highly popular single board computer, the Raspberry Pi (RBPi) a sound investment for testing hearing aid algorithms. Therefore, for hearing Read more [...]

A Google Assistant with the Raspberry Pi

This is the age of smart home assistants, but not the human kind. The last couple of years a fever pitch has been building up over these smart home assistants, and every manufacture is now offering their own version. While Apple offers Siri, Amazon presents Echo and Alexa, Microsoft wants us to use Cortana, and Google tempts us with Google Home Assistant, there are several more in the race. However, in this melee, Raspberry Pi (RBPi) enthusiasts can make their own smart speaker using the SBC. Although Read more [...]

A New Magnet for Electric Cars

The advent of electric cars is spawning innovations in almost every technology field including batteries, motors, wires, PCBs, electronics, and many more. Electric cars require powerful and efficient motors, and for that, magnets used in the motors must be stronger than usual. Toyota Motor Corporation has developed a new magnet for electric motors, and they have reduced by 50% the use of critical rare-earth elements they were using so far. As the number of electric cars is set to increase rapidly Read more [...]

Tracking Micro-Fluidic Flows

Scientists have taken analytical chemistry to such advancements that it can detect the effects of extremely tiny amounts of liquids—triggering the requirement of a need to measure such microflow of liquids. NIST, the National Institute of Standards and Technology, has produced such a microflow measurement device, the size of a nickel, and has filed a provisional patent application for it. The device is capable of measuring movements of nanoliters (nL) of liquid per minute. A nanoliter is a billionth Read more [...]

The Latest in Li-Fi

Newly developed technologies are allowing wireless networks to operate several hundred times faster than Wi-Fi—one of them is Li-Fi or Light Fidelity. Simply by switching on a light bulb, it is possible to encode data within the visible light spectrum rather than allow them to ride on radio waves as traditional wireless technologies such as Wi-Fi do. So far, research labs had confined Li-Fi within their closed doors. Of late, however, several new products using the Li-Fi technology has started Read more [...]

Mimicking Nerves with Memristors

Researchers are planning to build a computer mimicking the monumental computational power of the human brain. For this, they prefer to use memristors, because these devices vary their electrical resistance on the basis of the memory of their past activity. Memristors are semiconductor devices, and at NIST, the National Institute of Standards and Technology, researchers demonstrate the long and mysterious manner of the inner workings of memristors, explaining their ability to behave as the short-term Read more [...]

Industrial Controls and the Raspberry Pi

Industries with control equipment prefer to use a standardized system of mounting components such as circuit breakers within equipment racks. The most popular arrangement is the DIN rail and enclosure. The rails are typically made from a cold-rolled carbon steel sheet and zinc-plated or chromated for a bright surface finish. DIN is the acronym for Deutsches Institut fur Normung in Germany, and the rest of the world has adopted their standards as the EN and IEC standards. The famous single board Read more [...]

What are Digital Circuit Breakers?

We need protection from fires resulting from an electrical overload caused by a faulty device or an accidental short circuit. The huge current from the overload heats up wires and their insulation may go up in flames. There are several ways to activate this protection. The oldest method consists of a fuse wire. Usually, this is a thin wire enclosed in a casing. The material of the fuse wire is carefully chosen to heat up and melt (blow) when a certain current level is exceeded. Melting of the wire Read more [...]