This little circuit is invaluable for quick go/no-go testing of just about any remote control transmitting infra-red (IR) light. The tester is battery-powered, built from just a handful of commonly ...

If approved, new Californian regulations could allow companies like Apple to test their self-driving platforms with remote backup, instead of putting a human behind the wheel. The regulations are ...

Life-safety dampers are critical fire-protection features of buildings. By protecting duct and air-transfer-opening penetrations through fire- and smoke-rated construction, they help to contain fire ...