How to fix PIR motion detector sensor- PIR sensor not working properly?

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How to fix PIR motion detector sensor- PIR sensor not working properly?

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4 жыл бұрын

Engineer Within
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If you would like to learn more about PIR motion detectors and how it actually works, how to make, how to make long life circuit for practical application, how to it for no of applications etc then comment down..
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Пікірлер: 93

@EngineerWithin 4 жыл бұрын

Suggest topics for next video in comments

@onurolce 3 жыл бұрын

You have to use Flyback diode for relay applications which is controlled like transistors.

@EngineerWithin 3 жыл бұрын

For inductive loads

@onurolce 3 жыл бұрын

@@EngineerWithin Yeah.

@tafsirnahian669 3 жыл бұрын

My PIR sensor turns on and off automatically. It doesn't stabilize at all.

@izikmartins8089 3 жыл бұрын

Thanks so much So short and straight to the point, I have a presentation tomorrow and you just saved me, I didn’t realized I tweaked my PIR sensor (sensitivity and delay) Thanks def subscribing and liking

@jeffbowyer4576 3 жыл бұрын

Only your video explains the potentiometers in detail, specifically the position for the minimum setting. (1:48) Thanks.

@sohampapinwar9639 4 жыл бұрын

Best video for practical knowledge 😍😍😍

@klakshmanan4358 Ай бұрын

This video was the best in certain for explain pir. i had the same issue in false triggering repeatedly in my project. were i used node mcu. at initially this problem was found only with the 3.3v pin latter i changed it to 5v supply from very same node mcu. it stated working fine. i guess there has to be something to do with the 5v. it doesn't work certainly for less than 3v!!!!

@nikhilpokale5439 4 жыл бұрын

Thanks for this video... I have been in problems with sensitivity knob and false triggering...thanks 😋

@nachiketekare4178 4 жыл бұрын

Video Cleared my all the doubts bro 😍🤘

@EngineerWithin 4 жыл бұрын

😉😉😉yup

@rewajoshi102 4 жыл бұрын

I have 5v relay drive ckt can I use that insted of transistor? Please answer?

@EngineerWithin 4 жыл бұрын

Yes you can

@muhammadsiddiq5767 3 ай бұрын

Why we make another circuit to work the built-in device

@user-vr9gw6se3t 8 ай бұрын

If I dont use relay, what effect?

@mrobarton7192 2 жыл бұрын

Very good video. Is there a reason why you don't have a flyback suppression diode across the inductive coil of the relay to protect the transistor?

@harsha_zakir 2 жыл бұрын

thank u sooooo muchhhhhh bro u helped me a lottt , i was really worried about this false detection , it's working awesome now!

@electroco1474 2 жыл бұрын

Is it OK now

@elsisdeo9060 4 жыл бұрын

Thanks sir, you help me a lot

@tusharchadha2291 2 жыл бұрын

Can I remove the LED and the resistor and connect only the buzzer directly to the relay?

@balt4621 2 жыл бұрын

I just bought one on AliExpress but mine doesn't have the sensor jumper. Will it work?

@anilkumargoel307 2 жыл бұрын

Can we use triac in place of relay Anil Kumar Goel

@keplaris2401 4 жыл бұрын

My PIR sensor dosen't seem to react at all to movement. Should I replace it with a new one?

@EngineerWithin 4 жыл бұрын

Do as i said in the video...

@naveendsouza2137 4 жыл бұрын

Can you please do a video on pir automatic led strip light... I have got 12v 2a power supply and connected it to PIR and LED strip(12v) and output of PIR to N channel mofoset with 10k resistor... but led not bright... Can you suggest me N channel Mofoset required for 12v 2a

@diogofarias1822 3 жыл бұрын

I have the same problem here. Remember the output from the sensor is only 3.3V. The led strip needs 12V to be full bright.

@EngineerWithin 3 жыл бұрын

Use transistor and then realy as a switch

@punithputhran7446 3 жыл бұрын

excellent

@kiranshashiny 4 жыл бұрын

1. (Important - Please answer when possible ) How can I reduce the sleep time after the trigger has ended. I'm reading that there is a 5 seconds sleep time/timeout after the trigger has ended. I want to reduce that to even lesser. 2. I am not using the 7805, however I am using an Arduino to power the 5v to the sensor ? What's your recommendation .

@EngineerWithin 4 жыл бұрын

I think minimum trigger time is 5 seconds...you can not decrease it further.

@EngineerWithin 4 жыл бұрын

Its fine to use arduino.

@prasannar1976 2 жыл бұрын

you can programme in adrino to ignore the inputs and timecontrol take the out from audrino instead of directly from sensor

@parthmistry6876 Жыл бұрын

Dear sir, My this pir range is maximum 2 MTR , how can I solve this.i want 7 mtrs range. Plz help.

@HSRMF 4 жыл бұрын

i hated this sensor ... it's drived me crazy ! i did everything in this video and changed modes and try a different pir sensors and all same .. working some times and turn it self on and off ..!! please don't use it without it's lense , this lense give a wide angle and filtering the noise and make the sensor more stable..

@khookengsuen1428 2 жыл бұрын

same problem here

@spidey_fan-no.1 Жыл бұрын

Will the problem solve if I use it with it's lense ?

@MrBobWareham 3 жыл бұрын

Pir sensor output to 2k2 to save overload of PIR sensor transistor it works better and more reliable

@SatyamMishra-zq4mn 2 жыл бұрын

Hello bro ..why my sensor is not working...it gives output automatically without sensing motion

@amjad268 4 жыл бұрын

I bought 4 PIR motion sensor module but all 4 continuously 3volt out put on output pin when I connect 5volt power supply. what is wrong where is mistake please help me Thanking you in advance

@EngineerWithin 4 жыл бұрын

Sensor takes time for calibration...turn on and leave the sensor.... don't use more than 5v supply

@weldingtheworld3256 3 жыл бұрын

sensor output will not more than 3 v. you should use 547 transistor to enhance it

@usmanfarooq1304 Жыл бұрын

Same with me. How to solve this problem

@kiranshashiny 4 жыл бұрын

How can I reduce the "delay time" from 5 seconds to even further. The default minimum is 5 seconds , but I want to reduce it. Appreciate a reply.

@EngineerWithin 4 жыл бұрын

It is not possible, because you can not change the circuitry of sensor! Thats why

@JamilKhan-hk1wl 2 жыл бұрын

actually you can but it is a bit more difficult as you need to change the onboard resistor value

@nsmadhvendra 4 жыл бұрын

Great video Sir Sir my pir motion sensor is constantly on and off. This is not stable, please help

@EngineerWithin 4 жыл бұрын

As mentioned in the video.....sensor takes time for calibration...so after setting time and distance to minimum position....leave sensor without any movement for calibration

@nsmadhvendra 4 жыл бұрын

Engineer Within Thank you for your reply Sir. But Sir my PIR sensor is constantly on / off. I checked for 30 minutes but it is not stable. What could be a problem in the circuit. Can any part be changed?

@EngineerWithin 4 жыл бұрын

How much voltage did you gave?

@nsmadhvendra 4 жыл бұрын

Engineer Within SIR 4.8v

@EngineerWithin 4 жыл бұрын

Try changing the sensor....or check the mode of the sensor... monostable or astable

@inforanger6672 Жыл бұрын

How to use to pir sensor

@nadeem8249 4 жыл бұрын

Try making a mini Tesla coil

@EngineerWithin 4 жыл бұрын

Okay.. I'll try

@aj1554 3 жыл бұрын

Hi brother, great video. I am working on a project where i am required to Design an Arduino that does the following: collects movement data and displays it on a computer screen and display a graph of this activity over time. I have no experience with Arduino, any suggestion would be appreciated. my sensor does not seem to be working.

@leon9357 4 жыл бұрын

Why there is no jumper pins and connector on my PIR sensor module?

@EngineerWithin 4 жыл бұрын

You can solder wires directly.....you have another varient of PIR so...

@leon9357 4 жыл бұрын

@@EngineerWithin What variant is it? In the jumper position there are three dots and MD, L and H is written. Tried to connect wire between MD and L ,and now the sensor is not working anymore. So is it dead? What to do next?

@leon9357 4 жыл бұрын

Tried to solder wire but the module gets very hot and no motion detection. Help.

@EngineerWithin 4 жыл бұрын

Let it be hot...but once you solder wires....ther shoul be no problem...

@leon9357 4 жыл бұрын

@@EngineerWithin But it is not working. I used KTN2222 NPN transistor and 220ohm resistor.

@dm3ris 3 жыл бұрын

Good video! But all that I know. I came by name, ' how to fix' not how to test :(

@boringabc 4 жыл бұрын

I am using same Sensor and same circuit, my issue is even though we are in room/ bathroom but light is getting switch off after timer set time, light should be on only till person in room, how to solve this issue? Jumper is on H only on PIR circuit

@EngineerWithin 4 жыл бұрын

You can try changing modes

@boringabc 4 жыл бұрын

@@EngineerWithin thanks for your reply, I tried lots of mode combinations, I am using 4.8V DC adopter, do you think 9 V DC may solve my problem?

@EngineerWithin 4 жыл бұрын

No, it will damage the sensor

@kiranshashiny 4 жыл бұрын

Thanks for the comments/replies. Q: I want to use a SSR Solid state relay instead of the one that you described. The SSR has 3 pins on the DC side ( DC+, DC- and CH pins ) DC+ is for Power 5v , DC- is for negative/GND. Can the use the SSR in this circuit ? 0:17. I want to know how to connect the 3 pins of SSR in your circuit. Appreciate a reply. SSR details are in wiki.sunfounder.cc/index.php?title=1_Channel_5V_Solid_State_Relay_Module

@EngineerWithin 4 жыл бұрын

Yes you can use it in give circuit. You just need to connect .. output terminal of PIR to the CH1 of solod state relay and rest of the circuit will remain same....usjng SSR is a good choice, as very less voltage is requie to trigger or On the SSR

@EngineerWithin 4 жыл бұрын

There is no need of transistor in case of SSR

@kiranshashiny 4 жыл бұрын

@@EngineerWithin Super ! Very good answer, this is exactly what I was expecting - as the SSR has a transistor inside. Now, next problem. The SSR triggers when there is a - X-- Cut and Paste from wiki.sunfounder.cc/index.php?title=1_Channel_5V_Solid_State_Relay_Module - --X-- ... ... Input Voltage of Control Signal: 0-2.5V (low level state), the relay will be on; 3-5V (high level state), the relay will be off. " The PIR on the output pin sends a 0.4V when there is NO motion and 1.98V when there is a motion. So in this case - since it is less than 2.5V in either cases, the relay will be always ON - at all times - I tried this already. What can I do - to overcome this challenge. How can I distinguish the 1.98v ( or make it 2V, or anything above 1.8V) bump up to > 3V so that the relay will be OFF. The SSR relay works in reverse.. when OFF, then it will enable the AC Load. Thanks and appreciated your quick response.

@EngineerWithin 4 жыл бұрын

You can use transistor as a switch, configure it in such a way that, transistor will not turn on on 0.4v

@EngineerWithin 4 жыл бұрын

Give the output of the transistor to relay...so when there is more than 0.1 v or more than that ... transistor will turn on and trigger the relay.. Hope this solves your problem.