Absolute Native Electronics – Product Details – Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, , etc. Product Description: PIR infrared sensor. This motion sensor circuit based on PIR motion detector module BS (or BS) that can be used for security or corridor lighting in. PIR Bs / HC-SR – Buy Pir Sensor at best price of Rs 70 /piece from Micro Impex. Also find here related product comparison. | ID:

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bs pir sensor datasheet & applicatoin notes – Datasheet Archive

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.

Motion Sensor for Security Light

Use a three-pin bw1600 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 bs100 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. Log into your account.


PIR Bs1600 / HC-SR501

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