DM224i-EDN microstepping drive, equipped with a DeviceNet(reg) network interface, is capable of 3A per phase at 48V and can produce holding torque up to 350 oz-inches when mated with MST high-torque step motors. The DM-224i-EDN eliminates the need for indexers or motion controllers in many applications because it accepts direct, high-level commands from the machine controller through DeviceNet. Other features include automatic mid-band stabilization and microstep-to-full step switching, plus programmable low-power mode.
API Controls, 45 Hazelwood Dr., Amherst, NY 14228, FAX (716) 691-9181.
Science fiction author Isaac Asimov may have the best rules for effective brainstorming and creativity. His never-before-published essay, "On Creativity," recently made it to the Web pages of MIT Technology Review.
Much has been made over the potentially dangerous flammability of lithium-ion batteries after major companies like Boeing, Sony, and Tesla have grappled with well-publicized battery fires. Researchers at Stanford University may have come up with a solution to this problem with a smart sensor for lithium-ion batteries that provides a warning if the battery is about to overheat or catch fire.
In this new Design News feature, "How it Works," we’re starting off by examining the inner workings of the electronic cigarette. While e-cigarettes seemed like a gimmick just two or three years ago, they’re catching fire -- so to speak. Sales topped $1 billion last year and are set to hit $10 billion by 2017. Cigarette companies are fighting back by buying up e-cigarette manufacturers.
Advertised as the "Most Powerful Tablet Under $100," the Kindle Fire HD 6 was too tempting for the team at iFixit to pass up. Join us to find out if inexpensive means cheap, irreparable, or just down right economical. It's teardown time!
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.