Clock & Timer Circuit Diagrams

LONG TIME DELAYED TURN-OFF TIMER SCHEMATIC CIRCUIT DIAGRAM

When B is pressed in the given circuit, the capacitor (C) is charged. When we pull the button, the current of the electrical charge accumulated on C triggers the transistor T1 and T2 through the R resistor. The transmitted T2 transistor activates the relay. After a while, the electrical load on the capacitor plates will end, the transistors go to the cut, the relay returns to its initial position and the lamp goes off.

Because the value of the resistance connected to the base of the T1 transistor is too large, the end of the line draws a very small current. This allows the capacitor to discharge for a very long time.

LONG TIME DELAYED TURN-OFF TIME RELAY CIRCUIT DIAGRAM WITH DARLINGTON CONNECTION

ONG TIME DELAYED TURN-OFF TIME RELAY CIRCUIT DIAGRAM WITH DARLINGTON CONNECTION

Electronic circuit diagrams were extracted from various sources (pdf, doc etc.) shared on the internet and transferred to the site. Thanks to the people who prepared the work.

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