MagiDeal DC 12V Delay Relay Shield NE555 Timer Switch Adjustable Module 0-10 Second

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About MagiDeal DC 12V Delay Relay Shield NE555 Timer

Description:100% Brand new and high qualityWhen the power or an external key switch is triggered, the relay delay of 1 second to 10 minutes adjustable. Turn on or off the relay.The operation time is less than about 0.5 seconds off the relay, protection delay driver IC.The mounting holes with oval design, even if you have a little error of positioning holes, does not prevent the installation.Blue potentiometer clockwise to adjust the delay time is shortened, counterclockwise adjustment is to extend the delay time of 1 second to 10 minute delayAfter setting the delay time, a power-on (LED lights) on the trigger during the delay. When the time delay has elapsed, LED off. Then again, the trigger will again delayed.Specification:Input voltage: 12VInput Current: greater than or equal to 50MA.Switch control parameters: voltage 0-240V, AC / DC, current 0-10A.Installation size: about 55 * 25 * 27MM, 28MM positioning hole distancePackage Includes:1x NE555 Delay Relay ModuleNote:Immediately after a trigger (for a short time) to hear the "da" sound, there is a continuous continuous trigger "da" sound, indicating that the delay has come to a minimum that is 0 seconds, then counter-clockwise adjustment potentiometer, then trigger the desired delay time is gradually adjusted.The power supply can not exceed 12V, and positive and negative power supply can not be reversed