- A FPGA controlled RGB LED MATRIX for Incredible Effects – the SoftwarePosted 7 hours ago
- Ultrasound to aging winePosted 3 days ago
- The Walt Disney’s jewel: MagicBandPosted 4 days ago
- 2017 forecast: Up 31 Percent From 2016 of Internet of Things usedPosted 2 weeks ago
- Drone – The latest Intel investmentPosted 2 weeks ago
- A FPGA controlled RGB LED MATRIX for Incredible Effects – the HardwarePosted 2 weeks ago
- Desktop Metal, a 3D-printing with metal, coming soon!Posted 2 weeks ago
- Chinese factory replaces 90% of human workers with robots.Posted 2 weeks ago
- We’ll never seen better before!Posted 2 weeks ago
- Kitnic.it – share and build Open Source Electronics ProjectsPosted 2 weeks ago
A New Kind of Wi-Fi That Uses 10,000 Times Less Power
Scientists have come up with a way of connecting to wi-fi that requires even less energy than a Bluetooth connection. It is not an open source technology yet, but a nice promise for the upcoming IoT hyper-connected world!
It’s a system called “passive wi-fi,” which aims to consume at least 1,000 less power than typical wi-fi portals, including Bluetooth Low Energy and Zigbee. As an idea, it’s been around for a while—but this is the first time it’s been proven. At top performance, this new wi-fi system can actually use 10,000 times less energy than usual.
How’d they do it? Scientists at the University of Washington reimagined how radios work. Radio transmissions involve two operations: digital and analog. Over the last couple decades, the digital part has become much more energy efficient, but analog remains a nasty energy drain. So the team simply separates the two functions.First, a single device plugged into a wall—this part uses most of the power in this whole process—sends analog waves to special passive wi-fi sensors. These sensors require practically no energy to run. They then pick up those waves, reflecting them with a digital switch, which creates what the team calls “wi-fi packets.” Those beam low-energy internet at bit rates of up to 11 megabits per second to devices like phones, routers, and more.