Articles - Wireless

Origin Wireless takes a unique approach to home security. Instead of using cameras or motion sensors, the company employs Wi-Fi in its Home Security System (Fig. 1). The control device uses Wi-Fi to communicate with your network, but it also uses ...

Jessica MacNeil EDN On this day in tech history, Echo 1A, NASA's first successful communications satellite, was launched from Cape Canaveral. The launch followed on a similar but unsuccessful attempt by NASA in May 1960 to launch a near ...

The company now known as AT T first established commercial telephone service between North America and Europe on January 7, 1927. Using radio, the American Telephone and Telegraph Co hosted a two-way conversation between New York and London. The ...

Brian Dipert EDN I've tested (and tore down) several network-controllable power switches of late; Belkin's WeMo and, more recently, TP-Link's HS100, both Wi-Fi based. Then there's GE's (sold under license by Jasco) Avi-on line. ...

My lower-midrange Hubsan X4+ FPV drone got stuck in a tree in the middle of winter. We managed to knock it down a couple of months ago (the drone, not the tree), while there was still lots of snow to cushion the fall. After weathering the elements ...

Abhishek Gupta Imran Mohammed, Cypress Semiconductor EDN Bluetooth technology has revolutionized wireless communications between devices with its ubiquitous and simple characteristics. It allows devices to communicate without cables while ...

The US Army Signal Corps made the first attempt to touch another celestial body when on January 10, 1946, it bounced radio signals off the moon and received the reflected signals. Dubbed Project Diana for the Roman moon goddess, the effort led to ...

Brian Dipert EDN Latest-generation drones now cost around $1,000, if not more. Too rich for your blood? How about $100? Or how about .. $10? Seriously! Back in February, I picked up a Cheerson CX-10 Quadcopter for that price from bargain site Meh. ...

By Qui Luu, Analog Devices Analog Dialogue Part 1 Analysis The plots provide invaluable data on the supply sensitivities at each power pin. VPOS_PLL has the worst power-supply rejection and is therefore the most sensitive power node. This power pin ...

By Qui Luu, Analog Devices Analog Dialogue As more building blocks are added to a radio-frequency integrated circuit (RFIC), more sources of noise coupling arise, making power management increasingly important. This article describes how ...