Circuit Schematic Night Security Light using Hacked PIR Sensor

Light. - This is electronic circuit schematic of Night Security Light using Hacked PIR sensor like in Figure 1 below. In this circuit schematic the basic component used is PIR Sensor and others basic components. 

In here we will give you global description about circuit schematic of Night Security Light using Hacked PIR sensor and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. Circuit Schematic Night Security Light using Hacked PIR Sensor (Source: Electroschematics)

Component Part

• HC-SR501 PIR Motion Detector Module – 1
• BS170 Mosfet – 1
• 1N4007 Diode – 4
• 3mm Red LED – 1
• 8mm White LED (generic) – 1
• 3mm/5mm Photodiode (generic) – 1 (see text)
• 47uF/16V Electrolytic Capacitor – 2
• Resistor 2K2 ¼ w – 1
• Resistor 100R ¼ w – 1
• Resistor 120K ¼ w – 1 (see text)
• 5V/100R SPDT Relay – 2
• On/Off Switch SPST/SPDT – 1

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Night Security Light using Hacked PIR Sensor. Electroschematics site describe that security lighting is widely used as a preventive measure against intrusions on a physical piece of property. Since adequate lighting around a physical structure reduces the risk of an intrusion, security lighting can be used in residential settings to increase the feeling of safety. Presented here is a trusty security light activated by a passive infrared sensor, turning on only when a person (or other mammal) approaches. This battery operated security light provides rich illumination without harsh brightness great for kids rooms, the elderly, and for comforting your pets. An important feature of this security light is that it wakes up only at nighttime!

Described security light circuit design is centered around an inexpensive passive infrared (PIR) motion detector module, type HC-SR501. The PIR motion detector module is used here with an added ambient light detection (day/night) feature, supported by a generic photodiode. Following part is prepared to help you get started with your new HC-SR501 passive infrared motion detector module, so let’s start.

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