Elektor Team (9517)

1-07-1981 | hydro-alarm It is well known that plant growers with a large "collection" have to work very hard in order to prois- and causes pin 13 duce s...

1-07-1981 | automatic reset ulse This circuit is designed to generate a reset p whenever the supply voltage is switched on and, in addition, whenever th...

1-07-1981 | ED voltage monitor A stable power supply is absolutely essential for the correct operation of computers and TTL circuits. A voltage fluctuat...

1-07-1981 | Ext. Trig. Word Rec. Ext. Trig. 5V •o 4 76consists of two four bit binary comparators, IC1 word recogniser and delayed trigger Many oscill...

1-07-1981 | 7-72 — elektor July/august 1981 1 14 C8 10 ,L :16 V• Tent. 31 to Ilk i4 humidity 7 Encouraged by the enormous response to the publicatio...

1-07-1981 | (al crysta • voltage supplies It is very easy to construct a crystal oscillator using a field effect transistor. This particular circuit o...

1-07-1981 | 6 to 12 volt converter via diode D3. In theory, therefore, the final effect of the circuit is to treble the input voltage, but in practice C...

1-07-1981 | 7-76 — elektor july/august 1981 12 V to 6 V converter produce an output voltage between 6 V and types The maximum output current of mentio...

1-07-1981 | touch-sensitiv 16 channel multiplexer CMOS multiplexer/demultip e Analogue signals with a voltage of anything between 0 V and 12 V can be ap...

1-07-1981 | 7-78 — elektor july/august 1981 dual input channel selector The circuit described in this article is a different kind of solution to the 1...