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Affordable IoT Devices can be Developed by Smart Microchips

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IoT devices will become affordable with the help of Microchips.
Microchips, Wikimedia Commons
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A group of engineers has developed a smart microchip that can self-start and continue to operate even when the battery runs out of energy. This could help in manufacturing smaller and cheaper Internet of Things (IoT) devices.

Called BATLESS, the smart microchip was developed by engineers from the National University of Singapore and is designed with a novel power management technique that allows it to self-start and continue to function under dim light without any battery assistance, using a very small on-chip solar cell.

Its functioning was presented at the International Solid-State Circuits Conference (ISSCC) 2018 conference in San Francisco.

“We have demonstrated that batteries used for IoT devices can be shrunk substantially as they do not always need to be available to maintain continuous operation,” research leader Massimo Alioto said.

Read also: New Technology Developed to Study Marine Life

“Tackling this fundamental problem is a major advancement towards the ultimate vision of IoT sensor nodes without the use of batteries and will pave the way for a world with a trillion IoT devices,” Alioto added.

Currently, batteries in IoT devices are much larger and up to three times more expensive than the single chip they power.

A group of engineers has developed a smart microchip that can self-start and continue to operate even when the battery runs out of energy.
National University of Singapore, Wikimedia Commons

This research substantially reduces the size of batteries required to power IoT sensor nodes, making them 10 times smaller and cheaper to produce.

“BATLESS is the first example of a new class of chips that are indifferent to battery charge availability. In minimum-power mode, it uses 1,000 to 100,000 times less power, compared to the best existing microcontrollers designed for fixed minimum-energy operation,” Alioto added.

“At the same time, our 16-bit microcontroller can also operate 100,000 times faster than others that have been recently designed for fixed minimum power operation,” Alioto noted.

The research team aims to demonstrate a solution that shrinks the battery to millimetres with the long-term goal of completely eliminating the need for it. (IANS)

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India Is Developing Technologies To Launch Manned Mission

The state-run ISRO’s technology demonstrator is the first in a series of tests to qualify as a crew escape system, critical for a manned mission.

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India’s dream to put a man in space
India’s dream to put a man in space. Pixabay

India is developing critical technologies for launching manned missions in space and preparing a document on it, a top official said on Saturday.

“Critical technologies are being developed for our human space programme as it is India’s dream to put a man in space. A mission document is in the making,” Indian Space Research Organisation (ISRO) Chairman K. Sivan told the media at an aerospace event here.

Citing the space agency’s successful maiden unmanned pad abort test on Thursday at its Sriharikota spaceport in Andhra Pradesh for the safe escape of the crew in an emergency, Sivan said that very complex technology was used for the trial, with a unique motor for fast-burning.

“The technology is very essential for our manned missions in the future, as the motor’s performance was very good. Using aerodynamics, the module was turned in a favourable direction to open the parachutes,” he said.

The state-run ISRO’s technology demonstrator is the first in a series of tests to qualify as a crew escape system, critical for a manned mission.

“We are only in the preparation stage. We need to develop much more. We are in the process of refining a document on the manned mission for review and interactions with stakeholders, including the Indian Air Force (IAF) and Hindustan Aeronautics Ltd (HAL),” said Sivan.

The crew escape system is an emergency escape measure designed to quickly pull the crew module along with the astronauts to a safe distance from the launch vehicle in the event of a launch abort.

The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier.

Admitting that the scientists had to work on the next strategy for the manned mission testing, Sivan said ISRO’s work was two-pronged, with one on approved projects and the other for research and development (R&D).

The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier.
The first pad abort test demonstrated the safe recovery of the crew module in case of any exigency at the launch pad,” ISRO said in a statement earlier. Flickr

“The pad abort test for the crew escape system is part of our R&D work,” he noted. The space agency also tested five new technologies during the pad abort test, as part of its strategy to develop long-term technologies.

“We and the government work on a three-year plan, with a seven-year strategy and a 15-year vision,” asserted Sivan.

Noting that space tourism would happen in the near future, the rocket scientist said it would take at least 15 years to develop the vehicle to go to space and return to the earth.

“We are not close to that. We need to work a lot towards achieving the dream of putting a man into space,” added Sivan.

After a five-hour countdown, the crew escape system lifted off with the 12.6 tonne simulated crew module from the spaceport and plunged into the sea (Bay of Bengal) 4 minutes and 19 seconds later with two parachutes, around 2.9 km away from Sriharikota, about 90km northeast of Chennai.

Also read: NASA Scientists Map Water on Moon Using India’s Chandrayaan-1 Spacecraft!

“The crew module soared 2.7 km altitude on thrust of its seven solid motors without exceeding the safe G (gravity) levels,” added the statement. (IANS)