| The power off circuit ensures that the load is automatically removed from a battery. Itis particularly useful in cars, so that if the dri...
| The power off circuit ensures that the load is automatically removed from a battery. Itis particularly useful in cars, so that if the dri...
| Whenever an interface is connected to a circuit with a supply voltage higher than 5 V, there is the risk that an error during experimentin...
| The charge-discharge-idle (C-D-D monitor described here is suitable for all vehicles with a 12-V or 24-V battery of which the negative t...
| The high-performance insertion card described in this article allows your IBM PC-XT, PC-AT or 100% compatible to measure direct voltage at...
| Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.
| The circuit described here is a car theft deterrent that locks the starting motor until a pre-programmed code is recognized.
| morse decoding with the 280A elektor may 1983 including a program by P. von Berg (ON6XK) Spoken language is a code made up of sounds and it...