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Tags: Timing Module, Delay Module, Time Delayable Module
Function and DesignThe circuit according to claim connected and set a good-time resistance and supply voltage;Before the power not trigger output is high;Trigger terminal "falling" trigger effective immediately after the trigger output terminal goes low at the same time start the timer circuit;Set the timer time to recover after the output terminal is high, wait for the next "falling" trigger;The chip is not repeated triggered, meaning that continue to trigger in the period after the trigger chip output low if the trigger is invalid;The trigger end of "falling" Trigger refers to the instantaneous change from a high level to a low level;General refers to VCC high voltage, low means 0-0.3v or GND, provided that they meet the level requirements can be;Trigger terminal can be connected to touch switch or microcontroller IO port or other digital circuits have a "falling" can effectively trigger;The trigger can be designed to power, only to trigger a short circuit to ground, power is triggered, the time to recover after the output to a high level, waiting for the next falling edge trigger again.
Features:The use of low-power CMOS technology, lead-free and environmentally friendly.Direct Push can output low LED (please add current limiting resistor)the output high may push transistor (please add current limiting resistor).Available resistance adjusting timing, there are 8 * N (N = 0.1.2.3) times the timing selection, time can be adjusted from 2s-1000h.Optional trigger timing and triggering termination ground electric timer.Standby output high, falling edge trigger, post-trigger output low, after the delayed recovery high.Pin Number: 4 PinOperating voltage: 2V~ 5VSize: 12mm x 12mm
Package Include:100 x Timing Module
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