| This little circuit may help to prevent costly disasters caused by overheating of semiconduction fined on heat sinks, to mention but one...
More about Alarm (115)
| The circuit presented, although a simple design, guarantees a prompt and reliable indication of any form of water leak. It is hardly l...
| This circuit allows the proper functioning of different elements of a fuel burning central heating (CH) system to be monitored. An alphanume...
| Although it has no detector or alarm actuation device of any kind, the present circuit may still function as a deterrent against car thi...
| This tiny circuit can be used as a movement alarm in many situations: in a suitcase or on a bicycle to name but a few.
| Any PC, however old, is too valuable to break down as a result of inadequate cooling, usually caused by fan failure. The alarm causes a...
| This article describes a compact radio data system (RDS) decoder based on two extremely powerful, yet affordable, ICs, the Philips Compone...
| The receiver is intended primarily for use with the remote control UHF transmitter described in the proceding article. It is a super-rege...
| Having a recent arrival in the family meant that some form of baby alarm or monitor was required if 'junior' was not to 'wah' unduly in h...
| A fire may be started by an unstubbed cigarette-end, a faulty electrical appliance carelessly left on, or lighted paper shoved through the...