Maxell Corp. of America (http://maxell.com) has introduced two high temperature-resistant coin-type Li/MnO2 batteries for tire pressure monitoring systems and other rugged applications. The batteries—available as CR2450-HR for standard vehicles and CR2450-EX for premium vehicles—can operate from -40 to 150C and have a standard capacity from 525 to 550 mAh. Both types measure 24.5 mm in diameter and 5 mm high, and weigh less than 6.8g.
The promise of the Internet of Things (IoT) is that devices, gadgets, and appliances we use every day will be able to communicate with one another. This potential is not limited to household items or smartphones, but also things we find in our yard and garden, as evidenced by a recent challenge from the element14 design community.
If you didn't realize that PowerPoint presentations are inherently hilarious, you have to see Don McMillan take one apart. McMillan -- aka the Technically Funny Comic -- worked for 10 years as an engineer before he switched to stand-up comedy.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.