Motion detector sensor light switch

A motion sensor light switch is great way of saving energy short fall period. A PIR sensor light switch will automatically detects when someone enter the room or any place where motion sensor is set. Then, after a few minutes(adjusted by your desires) where no movement has been detected, the lights will then automatically turned off. Although a motion sensor switch is indeed a big and important invention . In fact, you can install a motion sensor light switch much in the same way as you would a single pole light switch.

[balt]

Hi, I have 3V relay, which Transistor and resistor should be selected? Thank you.

[jayaram]

Very clear work nice thank you explain small and clear

[tqaquotes]

Which transistor did you use?

What other transistors can be used?

[MrNams]

Thanks for video, can you please mention component list in description?

[davidsonfellipe]

o melhor e o mais simples que ja vi! mais um inscrito!!!!

[MsSuuny]

Dear I have made project on exactly following ur video, but problem arises in a way that, bulb turns on for very shortly and relay triggers On again and again and bulb got ON and Off frequently without any movement. Plz explain

[Tony]

Hola una pregunta se puede alimentar a un foco de 12 volt en vez de uno de 220 v ?

[maheshk]

i used the same circuit with 5 v relay, 5 v adaptor, pir sensor bc 547.When i swicth onthe power, relay switched on and bulb on, bulb stays on, . Can you pl tell me whats wrong with circuit. Bulb is not swtching off. I ve done setting of sensitivity and range also, no results.

[jorgecazana]

Hello my friend, thanks for this cool video, can i use a 12v dc water pump instead of the bulb, should I just position it as if it was the bulb?

[maliridwan]

why you use bc547..can you directly connect from output pir module to relay..?

[rajsinha]

Hi I am Fan no. 1 bhai please ir sensor 3 leg aur ir receiver kaise contact kare jo door security ban jaye

[ignuspoetry]

If 10 cm particle will be thrown or pushed inside a room will it glow?

[alvarofuentesarjona]

Dear sir, your diagram with Pir sensor, could I use it in my country that uses 115 volts AC?

[madhavbhaktisagar]

Kya bhai isme normal senser bhee laga sakte he

[vinodpurohit]

Kam sey kam kitni rate tak motions senser tayear kar saktey hey

[shz]

How can make it's timing in hours or unlimited?

[yennycipto]

Saya mau tanya nih. Saya ada beli di shopee sensor pir. Tapi ternyata sensor tidak dapat bekerja sempurna. Harus diletakkan tangan di depan sensor baru dapat menyala lampunya. Selain itu pada saat dikonek ke listrik. Awalnya lampu mati dan hidup beberapa kali.

[abinkprabhakar]

Is there is any need of a diode (1N 4007) !?

[PRADEEPKUMAR-jbbl]

Read and black wala youDC cannection hai sir

[mickcarson]

Where did you get that circuit board from?