All items tagged with time and technology (303)

1-12-1991 | Siemens' Type SLB0586A IC enables the simple construction of a dimmer with touch control. Used in conjunction with a Type TIC2060 triac,...

1-07-1991 | This electronic switch is designed to be connected direct to the mains, which obviates a low-voltage supply and so keeps the cost and sp...

1-07-1991 | This simple circuit, based on a single opamp in non-inverting mode, is a precision rectifier extension for digital voltmeters. The circu...

1-07-1991 | The tester in the diagram can be used to test virtually any kind of semiconductor device, ranging from switching diodes to power transis...

1-07-1991 | Many model train enthusiasts find the mechanical reversing system for trains in the HO series from Märklin and other manufacturers primi...

1-07-1991 | The present circuit was developed to make it possible for different sensors to be added ro an existing alarm installation. These sensors...

1-07-1991 | To prevent the dynamo-driven lights of your bicyle going out when you stop in the dark for, say, traffic lights, the simple circuit here...

1-07-1991 | Many people still use the old C64 computer to play games on, but get frequently annoyed by the constant need of changing over the joysti...

1-07-1991 | The pump in sorne central-heating systems has two or even three speeds. At the lowest speed, not much hot water is pumped around the cir...

1-07-1991 | There are nowadays so many different standards for buses and networks that it was thought useful to present an overview of the most current...