Automatic Door Light Switch Circuit Diagram

The circuit diagram of this device consists of two main components.

Automatic door light switch circuit diagram.

Also read the post. Ff2 is configured as a r s memory to store the state of the switch. Automatic washroom light switch circuit diagram. Circuit diagram of the automatic lock and lights circuit fig.

The working principle of the light switch is quite simple. 2 x 10kω resistor 100ω resistor 820ω resistor connecting wires. Light activated switch circuit using ldr sensor. One end of the reed switch is connected to 5v power supply while the other is connected to the base of bc558 pnp transistor.

Automatic bathroom light switch circuit diagram. The bistables inside cmos 4013 are conected in series. Two circuit diagrams have been included. Components required reed switch with magnet available as combination lm741 op amp ic cd4017 decade counter ic 5v relay module lamp bc558 pnp transistor.

To make the light level at which the led switches on adjustable you will also need a 100k trimpot. Transistors t3 and t4 stop conducting and relays rl1 and rl2 de energise to switch on the light and open the door lock. A relay switch is used at the output of the circuit from which you can connect the connection of an ac lamp that you want to open. The first diagram shows the automatic light circuit using a fixed light level to automatically switch the led on.

Similarly when they start leaving the room by enabling foot switch s2 counter ic3 reduces by one count and the display shows the.