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Here is a motion sensor system based on PIR motion detector module BS or BS that can be used for security or corridor lighting in power-saving mode. The 12V DC power supply required for the motion detector and the relay driver is derived from V, 50Hz mains using a transformerless circuit as shown below. The working of the circuit is simple.
When you power-on the circuit after assembling all the components including the CFL, the CFL will glow for 10 seconds, turn off for 30 seconds, glow for 10 seconds and then turn off. Now the circuit is ready to work. When any movement is detected, around 3. In short, when there is a movement near the sensor, the CFL glows for about ten seconds.
Assemble the circuit on a general purpose PCB and enclose in a suitable cabinet. Use a three-pin connector for connecting the PIR sensor in the circuit with correct polarity. The motion detector is embedded onto the transparent cover of the light assembly as shown in Fig.
Seal all four sides with Blue Tac for water-tightness. Insulate the track side of the PCB using an insulating foam and glue to the base. Here, the relay rating is correct. Firstly, please note that the circuit design is of transformer less design and so the current in the circuit is very very less. Secondly, 12V zener is just for protection and not used as a normal regulator. It protects the circuit from spike or sporadic events.
Even if voltage crosses 12V for a short duration, the 5V relay will be able to withstand it. Sign in Join. Sign in. Log into your account. Sign up. Password recovery. Friday, June 5, Advertise Contact About Magazine. Forgot your password? Get help.
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PIR Bs1600 / HC-SR501
Motion Sensor For Security Light Using PIR BS1600 PCB
The pir sensor module allows you to sense motion it is almost used to detect motion of a human body. Available with us in a consignment of provisions and customized forms, these offered products could be altered as per the specified desires of our customers. More to this, our timely delivery and reasonable pricing structure has made us a preferred business name. Shop No. Have a requirement?
Motion Sensor for Security Light
Here is a motion sensor system based on PIR motion detector module BS or BS that can be used for security or corridor lighting in power-saving mode. The 12V DC power supply required for the motion detector and the relay driver is derived from V, 50Hz mains using a transformerless circuit as shown below. The working of the circuit is simple. When you power-on the circuit after assembling all the components including the CFL, the CFL will glow for 10 seconds, turn off for 30 seconds, glow for 10 seconds and then turn off.