Op-amp virtual ground and virtual short concept
Thursday, March 19, 2015
Sunday, March 15, 2015
Logic Gates using OP-AMP
Building Logic gates using Op-amp
1.AND gate using op-amp:circuit diagram
Check out the above circuit
At inverting input of opamp a reference voltage of 3.75 is given which is approximately 3/4th of Logic 1 i.e 5V
So that it can operate well like AND logic.
Monday, March 9, 2015
Code lock system
Code lock system:Simple project
When you make on the buttons 1,3and 6 the lock will open the relay will be driven and you can drive your load whichever is connected to the relay circuit.
Its implemented and tested in PROTEUS simulation software.
Have a fun with this simple lock system.
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Building Logic gates using Op-amp 1.AND gate using op-amp:circuit diagram Check out the above circuit At inverting input of op... -
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