NE555 IC For Infrared Motion Sensor
The Infrared Motion Sensor circuit utilizes the NE555 timer IC configured in a monostable mode to detect motion within a specified range. The primary components of the circuit include the NE555 timer, infrared emitter and detector pairs, resistors, capacitors, and a power supply.
In operation, the infrared emitter continuously emits infrared light, which is reflected by objects within the detection zone. When an object moves within the 80-degree coverage area, the reflected infrared light is detected by the infrared receiver. This change in light intensity is interpreted by the NE555 timer, triggering a response.
The timer's output can be connected to various devices such as alarms, lights, or other electronic systems to indicate the presence of motion. The duration of the output pulse can be adjusted by changing the values of the timing components (resistors and capacitors) connected to the NE555, allowing for flexibility in the response time of the circuit.
Overall, this circuit is suitable for applications in security systems, automatic lighting, and other scenarios where motion detection is required. Proper placement of the infrared emitter and detector is crucial to maximize the effectiveness of the detection zone.The following circuit shows about Infrared Motion Sensorcircuit diagram. Features: With NE555 IC, The detection zone coverage is 80 degrees .. 🔗 External reference
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