- #1
Imteaz Ahmed
- 5
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I was creating a touch switch using CMOS IC 4017. The input pin is 14 and the output pins are 3 and 2. When pulses are given to the input, the IC makes the outputs high alternatively. Thus if a pulse make the pin 3 high the next pulse make pin 2 high. From the diagram it can be seen when pin 3 is high, it drives a relay to switch up something, but by next pulse the switch is down. The problem is, when I use relay it creates false triggering to the ic. If I use LED in the place of relay it works fine. I am including the part of the diagram.
[PLAIN]http://a3.sphotos.ak.fbcdn.net/hphotos-ak-snc6/190693_10150117698707402_804672401_6381121_2022807_n.jpg
Can anyone help me please. How can I stop the false triggering. I think using capacitors can solve the problem, but I don't know how to use them properly.
Thanks.
[PLAIN]http://a3.sphotos.ak.fbcdn.net/hphotos-ak-snc6/190693_10150117698707402_804672401_6381121_2022807_n.jpg
Can anyone help me please. How can I stop the false triggering. I think using capacitors can solve the problem, but I don't know how to use them properly.
Thanks.
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