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My driver is ordinary 1w, 350ma constant current power led driver. I buy drivers in my country.
My another question is, should I connect to capacitance out of the driver? For reed switch contact noise
Is there any reed relay which normal situation is NC? If I drive reed relay under the 350 ma so it can be problem? Do I need to connect any capacitance between contact and Com pin? I mean for reducing arc or noise.
My supply voltage must be 220V ac. My led is 1watt 350 ma power led. My driver current must be between 300-350 ma. My driver voltage must be 3.2V.
But important point is that I must control this driver via reed relay as on/off. When reed relay is open so driver must pump current to my led, if...
i want to make a application with 1w power led, led driver and reed relay.
i will use reed relay for this application. My aim is, when any magnet is closed to reed relay thus led driver will stop pumping current to led, when magnet is taken away from the reed relay so led driver will continue...
I have 4V - 2 Amper bipolar step motor. I want to make a driver for this motor but i could not find neither driver diagram nor layout. Anyone can suggest me any useful bipolar step motor driver circuit layout? But it must be worked with 4V.
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