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- Simple one shot Touch Switch using IC4011
- Simple three step level indicator
- Simple level voltage detector using LM741
| Simple one shot Touch Switch using IC4011 Posted: 17 Dec 2013 11:27 PM PST Today we lets to play simple digital circuit. It is an One shot touch switch control. I use IC-4011 digital cmos is base of circuit. It is set form as flip-flops. The Logic “HI” at output when Your finger touch pad and is time delay for 3 second. Which we can determined this pulse time […]  |
| Simple three step level indicator Posted: 17 Dec 2013 08:57 PM PST Today we look at the concept of a simple level indicator circuit, which are built to be very small, can be displayed with LED 3 step. When see in the below circuit is very simple. We use a variable resistor(Potentiometer) with 3 unit only, making this the circuit cheap and easy. The Resistor values of […]  |
| Simple level voltage detector using LM741 Posted: 17 Dec 2013 08:44 PM PST This is really Simple level voltage detector circuit. I like it so much because cause me know principle about comparator circuit form. As show in Figure below, We use LM741 OP-AMP(IC-741) highly popular is base of circuit. As video below. When we set all components to breadboard successfully. Suppose, we need to detects voltage 2-volts. […]  |
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