Recently I bought a little gizmo called as “USB Charger Doctor” from an online store. The little usb bus powered device features a passthrough usb connection to connect the usb source port and usb ...

Inspired by printed circuit boards, the building block of all electronics, a Dutch designer has created an LED-based light installation that draws upon the familiar etching pattern inside most ...

For those of us who remember LED calculators, the HP 5082-7400 series red “bubble” displays hold a special charm. Available in 3, 4, or 5-digit varieties, these multiplexed 7-segment di… ...