When you open a refrigerator door, the light comes on. How would you like that feature in a closet? All you need is a spring-loaded jamb switch and some basic carpentry and electrical skills. The a… ...

This automatic door light switch circuit turns ON a lamp when a door is opened then turns it OFF when the door is opened again. The working principle of the light switch is quite simple. The bistables ...

[Dillon] wrote in to tell us about his latest project, an automatic light switch for a the hallway closet in his house. Although this project could probably be done very simply, [Dillon] accomplish… ...

Mounting lights in a small closet can be a hassle. Reddit user kavisiegel suggests adding rope lights inside the door frame with an automatic switch to make things easier. The system kavisiegel ...

Initially when the circuit is powered, IC1 is resetted by the RC network R1-C1 and as a result LED1 lights up. When the door is opened for the first time, switch S1 is opened and as a result IC1 is ...