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The SIMPLEST Motion Sensor Circuit using BC547 | PIR Sensor Without Arduino
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- Опубликовано: 14 май 2021
- In this video I have shown you how to make a simple circuit using a PIR Sensor and a BC547 transistor. This circuit runs on 5 volts and is very easy to make. I hope you'll like it and try to make it yourself.
Components used in this circuit:
PIR sensor
BC547 transistor
5mm LED
USB cable
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Good school project idea
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Great. Genius lies in simplicity. All your videos make it so simple and doable.
More power to you.
Super it is working
Question:
How to connect a 12V LED strip light directly to the sensor without using any resistor or transistor or a relay. The LED strip light will be powered by 12V 5A driver. The setup will be mounted underneath the kitchen platform. The LED strip light should turn ON when the drawer is opened.
Why are transistor and resistor mandatory? What would happen if remove them and connect LED strip light directly? In case if direct connection, will the strip light get damaged or the pir sensor get damaged? Or neither of these will get damaged and LED strip light won't glow?
Can we use this to turn a motor
I recived pir sensor with jumper conection how l fix this pl guide me thanks.
Se puede poner IRFZ44 para 12v y mayor potencia ???
AMAZINGLY WORKING
For some reason the circuit keeps flashing on its own any reason for this?
Hi can u guide me if i want to use a coin battery of 3v.. what cap, leds i need??
3 volts would be too low for the PIR sensor and would result in lot of disturbance in the output
@@Srijan22 thanks for the reply :) .. one more.. can this be used as a mini version with a 3V battery?
www.electronicscomp.com/hc-sr505-mini-infrared-pir-motion-sensor-infrared-detector-module?search=PIR%20motion%20detector%20sensor
dada may Amazon ka 230 volt Ac motion sensor ke sath buzzer lagaya, 4diod brize bany aur positive negative ke sath 220uf 25 v condencer aur AC negative ke sath 68k resistant lagaya. jab sense hota hay tab loudly bajta hay, lekin har bakt ek low kuuuu... noise hota hay. ap bata sakte hay kaise e low kuuu... nosise bondh hoga
Will it continue work for 2-3 hours if I would be near to this circuit??
For that you would have to use arduino or any other microcontroller. Otherwise you'd have to stay in motion for it to be on continuously. Also check out the jumper settings section in this article to see if that can help you:
www.electronicwings.com/sensors-modules/pir-sensor#:~:text=To%20select%20Single%20Trigger%20mode,the%20object%20is%20in%20motion.
Hey can I use an adapter as a power source (that turns 220v Ac to 5v DC)
yes
Hey dude
Cool project btw
I just got one question about the circuit, output voltage specifically, it’s 3.3 v, isn’t it?
I haven't really checked the voltage at the output pin but i remember that when i connected a LED to it without the transistor it was glowing with very low brightness
i think that might be because of low voltage or maybe low current at the output pin I'm not really sure but it was enough to activate a npn transistor when connecting the output directly to the base of the transistor
DB yes o/p voltage is near 3 volt .. it glow 1 led 5mm
Nice project brothers👍🔔🙏 1:39
What we should do, if we want to connect a larger led panel?
use a relay module to connect bigger LED panel
Hey guy, it works but not correctly. For example when I put my hand 2 times then PiR turn on 1 time. What 's problem ? Thanks
Hi Srijan
I made the motion sensor but how do we change the speed at which the light turns off and on
images.app.goo.gl/49hVbgYtqVHXUdw16 look at this diagram and adjust that potentiometer with a flat head screwdriver according to your needs
@@Srijan22 thank you!
Heyy, thanks for your perfect knowledge anp explanations.
How can build a system?, like these;
5V - 5m one chip LED strip + TİP 122 or BC547 transistor or IRF740 (which one do you prefer) + HC-SR501 PIR Sensor + Powerbank (for power supply)
Thanks for now.
measure how much current your LED strip is consuming and search for a NPN Transistor that can handle that much current. After you've found the suitable transistor follow the same circuit diagram shown in the video (emitter to ground, base to signal out)
Do I need a diode if using 9v battery
If you want to use with LED then use a 300 to 400ohm resistor and if you're using with a buzzer then no need for any resistor. Also no need for any diode :)
Berapa maksimal jarak sensor?
100% WORKING
Can we do it with 9v battery
no the sensor only works on 5v. using this sensor on 9v will short circuit it
12 volt battery se kam hoga Bhaijan ?❤
Why do you ned a transistor! I made it without and it worked just fine.
It wasn't working fine for me without a transistor and also using a transistor we can connect loads up to 100mA and if you want to use higher current loads you can use a MOSFET.
Hi,
My sensor automatically goes "ON" every ~20 seconds even there is no movement
This happens with me when I use the sensor without a transistor. Check your transistor connections and try different sensitivity and time settings by turning the potentiometers on the back side of the PIR sensor.
@@Srijan22 Thank you! Its working fine now:)
@@jivansuhagiya Oh good. Did you figure out what the problem was?
@@Srijan22 problem was transistor.
Now another issue facing is 5V relay always ON, no matter input voltage high or low
Are you using a relay directly or a relay module???
can i change led with lamp bulb
If the bulb is 5 volts then yes.
If you want to Control 220v lamp then connect a relay in place of the led and connect the lamp through the relay.
@@Srijan22 and can i use plug 2 pin or 3 pin
What are you using the plug for???
@@Srijan22 to get electric power
Hi, In put power 12V DC, what transistor if I use 12V DC LED light 10W 3000mA ? don't know very much about measure current if you could let me know what model # of transistor I need to get that would be great ! and thank you in advance
do you know how to use relays?
@@Srijan22 don't know how to use relays
watch this video ruclips.net/video/IbTGAdhW1qE/видео.html
mạch báo nước khi 👍👏🏳️🌈
Sir light automatically glow without movement 10sec pr
check if you have connected the transistor terminals correctly. if still not working try replacing the transistor
Are bhai yeto binatransistor ke vi ho jata
bhai sensor bas signal deta hai uspe hum load nahi connect kar sakte direct. white LED around 40 mA current leti hai isiliye transistor lagaya hai
Hello! I liked how you made the circuit! But how did you connect every wire and everything together? I need to do this for a school 6th grade project.
This is urgent
i didn't understand your question. please elaborate
How did you connect like the emitter to ground and base to output pin
Pls help
Did you use some sort of blow gun or some sort of device to connect the devices together?
Instead of bc547 , use a 200ohm resistor!
Well don't make the audience chutiya
Ur system is working on its time delay system of circuit, not by ur presence
Try it yourself then say this
@@Srijan22 I have already tried bro
I can send you an uncut video for proof if you want
how can you adjust time on for the LED?
there are 2 potentiometers at the back of the PIR sensor module one is for sensitivity adjustment and the other is for time adjustment