What is an LDR? (Light Dependant Resistor) - Electronics Basics 26

[@syRoboChe1]

Now I've watched entire Basic playlist and thank you for these great lectures. It's great tool what makes your lectures more interactive. : )

[@charlieluo2910]

hello , this is charlie luo. we are manufacturer for LDR (Light sensor ) we are offer u samples for FREE! please contact with me!

[@coreydonald6088]

You all probably dont give a shit but does anybody know of a tool to log back into an Instagram account? I was dumb forgot my login password. I would love any tricks you can offer me.

[@hectormarshall8608]

@Corey Donald Instablaster ;)

[@coreydonald6088]

@Hector Marshall thanks so much for your reply. I got to the site thru google and im waiting for the hacking stuff atm. Seems to take quite some time so I will reply here later with my results.

[@coreydonald6088]

@Hector Marshall It worked and I finally got access to my account again. I am so happy! Thanks so much you really help me out :D

[@christinechen7711]

THANKYOU SO MUCH!! lost electronics student here, i can't thank you enough.

[@fuma9532]

I've gone through the whole playlist today and it cleared up a lot of stuff, thank you! I'm getting curious about electronics and this was just what I needed :)

[@audiobooth4367]

This is a really well voiced video. Clear concise and easy to understand. Well done. Subscribed.

[@akshara720]

This video helped a lot with my science fair project!

[@davidwilliams347]

Thank you for some really interesting tutorials, great stuff. Gives me some confidence to tackle an up coming project which has a very practical application on resolving a automotive issue. May need some guidance. Thanks again.

[@johnthekkekara5794]

Nice ,I have watched entire playlist .It was helpful to me Thank You. Expecting more videos covering the subject

[@Richie_]

That's it, all done.. That was a fantastic course.

[@Destasyoum]

That was really really awesome!!!!!!! looking forward to hear from u for the next episode

[@sweetblues3230]

Clear explanation ❤

[@nomunsheikh1312]

Finally I have completed the playlist. Waiting for new videos.....

[@resrussia]

I am looking forward to seeing the project using the LDR.

[@charlieluo2910]

hello , everyone . we are manufacturer for LDR (Light sensor ) we are offer u samples for FREE! please contact with me!

[@ivanfaye3041]

Keep looking there nothing to see

[@byagarisachin2312]

Curtain operation using LDR

[@byagarisachin2312]

Blind I mean window type it depends on light intensity

[@pryansh_]

thank u sir for this wonderful explanation it really was so helpful

[@8304Hustla]

hey just wanted to let you know this is an amazing channel. but im wondering how do you manage to be an engineer and simultaneously upload such good content on youtube?

[@SimplyElectronicsOfficial]

Thank You! I manage with difficulty which is why I don't upload as often as I'd like. The support from you guys keeps me motivated to keep this channel going. As long as I have the support and viewership I'll continue to create and upload in the spare time I get.

[@jimmysegovia2688]

dang, good stuff man!!!! learned something new! thank you for sharing.

[@indhujag5920]

Thank you for the entire playlist😃Great lectures 👏🏻👏🏻👏🏻👏🏻

[@AhmedHassan-yc1dt]

That's what i was looking for to use in my educational projects, thanks alot :)

[@anjanaimesh3258]

thanks lot!I watched all of simply electronic basics playlist.its help me lot for educating electronics.i am new for electronic so please tell me someone did this playlist cover all basics of electronics?

[@jpwest]

Hi there, I have enjoyed your Basic Electronics series very much and even used it for teaching! So great work! 🙂👍Haven't you considered making some more videos with simple circuits, also created in Everycircuit! I could for example envision some with crystals, LF amplifiers, RF amplifiers, emitter followers, common base amplifiers, transformer circuits, mixer circuits, simple oscillators like Pierce and Collpits types, a Wien Bridge oscillator, a Wheatstone Bridge, a Maxwell Bridge and other DC or AC measurement bridges, Low pass, High pass and Bandpass filters, circuits with opamps and equivalent circuits illustrating how capacitors, inductors and resistors work at high frequencies. What do you think?

[@المستجيرباللهالقيرواني]

Regarding the geometric properties of the resist, is the external area of the resist (the brightness area) the only factor, or does its behavior differ with respect to thickness?

[@chrish7583]

I’m confused. If more light lowers the resistance, that would mean that there would be more current flowing through the circuit, powering the load (an LED for example). So, if there’s less light, there’s higher resistance, lowering the amount of current in the circuit. So the LED would turn off. At least, that’s how I’m understanding it. Is that right? Because that doesn’t make sense to me. I thought that you would want to power an LED or other kind of light source when it got dark?

[@Nany-dv8yg]

That was so helpful, thanks 😊

[@emmanueladamnor7301]

How can I make a wireless remote with only transistors, resistors , diodes and capacitors

[@nicolasr9390]

Keep up the good work!

[@jhwieder2112]

Hi, great videos. I'm teaching an extra-curricular club course in my school. I'm trying to create a dark-detector for my students to take home. I've seen many videos on youtube, but none of them explained how their LDR worked. It seems we have different LDR and ratings. Can you explain how to make a night light with an LDR? Please include the power ratings of the LDR and the resistors that are necessary, which no one else does. Thanx

[@JM.COSMIC]

What it's the best LDR?

[@masalman1441]

thanks a lot ..Really need more videos ....

[@mareysaad6597]

Thanks a bunch. Why don't you continue making more videos about electronics ???

[@darbarisid]

Nice video.. amazing application of ldr..

[@Akihara-y1m]

When the resistance of LDR increases, does the voltage decrease?

[@hcplsmf]

アキ健太郎 the resistance & the voltage of the LDR increases when there is no light. That is because the semiconductor is not being excited by light.

[@abriwin]

Great, now I need to know how to design a circuit to switch my night lights on and off. Thanks

[@sayyedmahdihashimi5520]

Very useful thank you

[@asaf158]

Love your channel! Thanks :)

[@عبداللهبنيعلي-ث7ذ]

Thanks 🙏🏻

[@dipakpoddar7753]

Simply awsm very helpful

[@charlieluo2910]

hello , this is charlie luo. we are manufacturer for LDR (Light sensor ) we are offer u samples for FREE! please contact with me!

[@andrewj3177]

I am dumb, will this work with simple led with 5v battery, to create some sort of automatic switch?

[@637cold]

Cheap meter for the win! Can't stop laughing. Great content btw.

[@davidbolha]

Hi, You can use this in a laser spy audio microphone, right ? Or would a general smaller solar cell be a better choice ? Thanks.

[@Istoryahetvvlogs]

woow...i like your video very informative...

[@harshn4104]

What is the component used in this video?

[@paganphil100]

didit hardiansyah: A light-dependent resistor (LDR).

[@tomasfranco4870]

Excelent videos!

[@المستجيرباللهالقيرواني]

Regarding the geometric properties of the resist, is the external area of the resist (the brightness area) the only factor, or does its behavior differ with respect to thickness?

[@tobiaswoods7951]

Can Someone help me, I’m so confused because for example in street lights as it gets dark there is more resistance. How I would interpret that is if there is more resistance then less current can flow through the circuit meaning that there is less light. But this doesn’t seem to be the case?

[@felipesantana2126]

I think they use inverters, but I'm not sure

[@lalithajakkula4819]

As you said that the resistance increases under dark conditions then how the streets lights on automatically at night? can any one clear my doubt why this LDR is used in street lights where street lights are used only night time where as LDR doesn't work during night as its resistance increases and becomes a bad conductor

[@rawlelowe7021]

how do I know what type of LDR to use in a circuit or what voltage to use

[@mekalavamsi8131]

nice video sir

[@suresh750]

Hey! Explain Working priciple also on atomic level. //wht happnd int it when photons strike semiconductor? wht cause free its electron nd how resistivity drops???

[@Matt-dj4cb]

Helpful for me as I know nothing of the electronics I use

[@muhammadrafiqulislamkhan6994]

Very simply explain. My question is why ldr uses resistor when circuit is made with it. Does it not work with using a resistor with it? If it works, Why? And if not, why not. This is my question to you. Thanks for today.

[@AK31-5]

How the resistance value is instantly changes (Low/High)...?

[@tansy6271]

Thanks sir i see lDR resistor in videos and how does it work it's is increase ohm on no light Thanks for your share sir

[@clowray2747]

Hi. I'm trying to find out about LDR's. Nobody ever seems to answer, maybe they just don't know the answer. If I introduced and LDR to the tamper circuit of an average alarm system, and with a laser pointer pointed at it, would the current flow freely enough to keep the alarm system running without a fault? And if I then turn off the laser, would the resistance be great enough to trigger the alarm?

[@MisterXS75]

where can i buy those clips for the multimeter and how do i attach them to my multimiter sticks? they look very handy to mesure resistors and elettrolitic capacitors

[@a7dad822]

www.amazon.com/Push-Alligator-Clips-Test-Leads/dp/B002AMO5EI

[@MisterXS75]

Adam Haddad thank you

[@a7dad822]

Np

[@papaw2937]

Thank you Sandro for the question and Adam for the link. This will be handy

[@richyyy8114]

So does more resistance mean electricity flows better ?

[@paganphil100]

Jesse_Mang: No, it means the opposite.

[@richyyy8114]

@@paganphil100 thank you

[@Une-z-j71]

Can we control the on an of with a relay, example to turn on x thing on day light.

[@conceptualphysicswithenggm9595]

How can it be use in laser home security system with a, microcontroller (8085),, please make a video if possible. Thanks

[@growingplants2657]

Great vid man!!🤣

[@LFibonacci1618]

Are there LDRs that increase resistance when it’s surrounding get brighter? In other words: the same way there are PTC and NTC thermistors, are there positive and negative LDRs?

[@deathlyhallows04]

Im confused. When light hits it, it has lower resistance and when its dark it has higher resistance. How will the street light or night life power on if the resistance is high? Pls help me understand thank you.

[@balajiganesan4399]

bro if it is a bright morning, you will have more light, so its resistance is lower and the current can easily flow through the resistor and power the street light. And at night, there is darkness and you have higher resistance , the current cant flow through the resistor and doesnt power the street light.

[@balajiganesan4399]

ya then what is the point of light needed in morning and not in night ya im also confused

[@daruscole1586]

Are they used in digital cameras (still/video) to put the image into electrical signals (analog/digital)? I think I have read/heard that variable capacitors are used that vary capacitance with the amount of light in cameras so maybe this is a thing of the past.

[@james77011]

but, the video playlist was amazing

[@friendonymous]

Can ldr detect the frequency with which an LED is blinking?? Please answer

[@GGGONEXT67]

thank you!

[@KagimuEmmanuel-lw3nx]

That cool , thank you

[@ianmclean8256]

Dependant or dependent?

[@tapankumarshreepal3334]

Am now thinking of safety lights automatically turned on as soon as overtaking hazard takes place on two sides of the rider as well as to the rear of the rider

[@kingdom7481]

In which home electronic things can we find it please help

[@seanhickey8851]

1) iphone brightness (your screen automatically gets brighter or darker in response to the light hitting it) 2) cameras automatically adjust the amount of light that is allowed in based on an LDR

[@exaveryulomi8430]

thank you now i real understand working principle of ldr my only question is how can i make a dark sensor using ldr

[@dang25272549]

Excellent! !

[@osirukavithmaelvitigala4651]

Very useful

[@NNNILabs]

Great!

[@SimplyElectronicsOfficial]

Thanks :)

[@mudassiransari5819]

Please make videos on electricals.

[@P_DOGG_ALI]

what happens to voltage if the resistance is low/high?

[@bableprint5301]

Your are great

[@james77011]

u made a video on inductors but u didn't go over transformers

[@amuthan4137]

very nice

[@BeastgamerAY]

From where can I get LDR

[@nanimaladi2126]

Any electronic shop

[@md.ashrafuzzaman4627]

Great but can you send some videos of the LDR projects

[@garmischwong8551]

Why did u stopped making videos?

[@avtarchodankar9635]

why capacitor is used with LDR?

[@dancoulson6579]

A capacitor is not being used with the LDR in this video.

[@homemadedelicious6478]

OP amps and comparaters please

[@igrewold]

Tip/Trick : you can use LED instead of LDR, in case you do not have one or such :) makezine.com/projects/make-36-boards/how-to-use-leds-to-detect-light

[@novagamer6198]

Thanx i swer u help me 👍😣

[@CryT4x]

i thought it is a heat element and put 5v on it and wondered why nothing happens lol

[@sweettoiletpaper1875]

thanks

[@enigmaticmf]

Someone PLEASE send him a modern multimeter...

[@jamalhorani2648]

👍

[@jariwalamaitri3222]

CAN WE USE LDR IN HEAD LIGHT OF ARE VEHICLES ???

[@joatmofa0405]

*TYPO* Dependant = Dependent

[@motonewz001]

❤️

[@SoCloseToTheSky]

Time to visit aliexpress now :-)

[@charlieluo2910]

hello , this is charlie luo. we are manufacturer for LDR (Light sensor ) we are offer u samples for FREE! please contact with me!

[@MDOliwllah-v9o]

ভাই এই LDR কোথায় পাব , প্লীজ বলেদাও

[@phasorsystems6873]

Diodes, who needs them! inspect androidcircuitsolver on google

[@steve-h7z]

cadmium sulfide photoresistor

[@thethreebrosyt1265]

GG

[@kashifturki3274]

CBGB CBGB CBGB

[@syaugi5748]

Long Distance Relationship

[@fitnessmen3686]

môme

[@charlieluo2910]

hello , this is charlie luo. we are manufacturer for LDR (Light sensor ) we are offer u samples for FREE! please contact with me!

[@HubbardKirk]

Williams Richard Jackson Susan Allen Sandra

[@finn7511]

Geil

[@GrahamWilliams889]

Anyone else here because of online school??