Drilling security controller circuit diagram

Published:2011/8/21 21:50:00 Author:Ecco | Keyword: Drilling security controller | From:SeekIC

The drilling security controller is composed of the trigger switches S1 ~ Sn, resistors R1 and R2, potentiometer RP, capacitors C1 ~ C3, LEDs VL1 and VL2, diodes VD1 and VD2, time-base integrated circuit IC and the relay K, amd it is shown as the chart. R1 and R2 select the 1/4W metal film resistors. RP uses the organic solid carbon resistor or potentiometer. C1 and C3 select the electrolytic capacitors with voltage in 16V; C2 uses the monolithic capacitor or polyester capacitor. VD1 and VD2 use the 1N4007 silicon rectifier diodes. VL1 and VL2 select the φ5mm LEDs, VL1 chooses green, and VL2 chooses red.



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