| The timer is based on the well- known display driver LM3915, which has a logarithmic scale. This may seem strange, but is not because a s...
All items tagged with Simple and Time (19)
| A tester for MIDI connections is a real asset for many constructors. The one presented here is kept fairly simple as shown in the diagram...
| This signal generator provides a 440 Hz sine wave output at two levels. The power supply may lie between 1.5 V and 16 V, so that even a...
| The circuit shown below is a simple, yet versatile, timer. lt allows loads drawing up to 5 A, for instance, a low-voltage power supply, to...
| Overcharging of batteries is prevented by the timely switching off of the charger. A timer that can be set to within a minute can be bui...
| The frequency of the sine wave oscillator shown here is determined by a direct voltage, Uc, of 0-15 V. The distortion on output signals o...
| The purpose of this simple circuit is to deter potential car burglars simply by a brighlly flashing LED, implying that the car is fitted...
| This simple bedside light is suitable for telling the time at night, findings one's way to the door, and so on.
| programmable darkroom timer elektor april 1983 programmable darkroom timer convenient IC allows simple construction Many amateur photographe...