Magnetic Door Sensor Circuit Diagram

When this device exposed to the magnetic field then ferrous materials inside.
Magnetic door sensor circuit diagram. Circuit diagram construction and working here reed switch acts as a sensor to detect the door position close open. If you want to protect some door from unwanted access then you can use this simple door open alarm circuit using reed switch. The reed switch is a small device and contains two ferrous materials inside. Align the hall sensor and magnet such that when the door is closed led1 lits steadily.
The circuit will also require a small size of permanent magnet to be fitted on the corner of the door in front of the reed switch that will be placed at the boarder of the door. Assemble the circuit on a small pcb and enclose in a suitable box. It shows the components of the circuit as simplified shapes and also the power as well as signal connections in between the gadgets. Here we have connected a 1k.
Collection of magnetic door lock wiring diagram. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. In this magnetic door alarm circuit we have used a 555 timer ic in astable mode to generate a tone as an alarm. Circuit diagram and explanation.
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.