8 way electronic selector / switch


Posted on Nov 21, 2012

The Elect. Sel. 8 is a simple circuit, with a choice of 8 sources of any sort ,of 8 independent switches. Each switch corresponding with a relay for example the switch S1 activates the RL1 e.t.c. The uses of the circuit are quite a few, choice of entrances in a sound amplifier, choice of command, in a digital circuit etc. In each entrance a LED which may be independent, except if switches with led are used.


8 way electronic selector / switch
Click here to download the full size of the above Circuit.

Part List R1-8=10Kohms IC1=74LS374 D1-8=Led 3mm R9=470 ohms IC2=74LS27 C1-3=47nF 63V MKT R10-17= 4.7Kohms IC3=74LS10 RL1-8= 6-12V DC Relay TR1=4.7Kohms Trimmer T1-8=BC550 S1-8=Push button SW




Leave Comment

characters left:

Related Circuits

New Circuits

.

 


Popular Circuits

Delay switching for Loudspeaker
sleeping aid schematics
TDA7000 fm radio integrated circuit design
touch free timer switch circuit
Joule Thief
SMOKE DETECTOR USING 555 TIMER
Basic current to voltage converter
20 kHz ASTABLE
MC81 holiday lights ASIC
Automatic water tank circuit diagram



Top