Electronics Light Dependent Resistor

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Light Sensors

https://www.electronicshub.org/light-sensors/
https://www.electronicshub.org/light-sensors/#Light_Dependent_Resistor_LDR
https://www.electronicshub.org/light-sensors/#Photodiode
https://www.electronicshub.org/light-sensors/#Phototransistor

LDR Basics


LDR light test with colored plastic bottle caps
protektosafe - Published on Aug 2, 2018
3:30

What is an LDR? (Light Dependant Resistor) - Electronics Basics 26
Simply Electronics - Published on Dec 17, 2016
3:31

Basic Electronics Tutorial 6 - LDR
Being Engineers - Published on Jan 5, 2017
Includes diagram
Uses Potentiometer
4:13

LDR Simple Circuit


Minimal circuits. LDR, LED, transistor, resistors, & battery.

How to make LDR latch circuit
r!shi kesh - Published on Jul 4, 2017
Turns on with light
3:30

Light Sensor circuit on Breadboard + Darkness Detector | LDR & Transistor Projects
Elonics - Electronics Projects on Breadboard - Published on Dec 9, 2017
Circuit diagram http://elonics.in/breadboard-projects/light-sensor-and-darkness-detector-circuit-using-ldr-transistor
5:42
* 1 LDR (Light Dependent Resistor or Photo-resistor)
* 1 npn Transistor (I used BC547)
* Resistors: 470R, 1K (For Light Sensor), 47K (For Dark Sensor)
* Potentiometer (Only if you need adjustable sensitivity): 10K (For Light Sensor), 100K (For Dark Sensor)
* Breadboard
* Power Supply: (3-12)V
* Few Breadboard Connectors

How to make LDR Darkness Sensor Circuit Simple DIY
Mr Innovative - Published on Jun 19, 2017
Turns on in the darkness
6:44

Arduino

Arduino Tutorial - LDR with LED
Mert Kılıç - Published on Nov 14, 2016
wires bread board & writes code; parts list in comments
4:22

Arduino Tutorial - Buzzer with LDR and LED
Mert Kılıç - Published on Nov 15, 2016
wires bread board & writes code; parts list in comments
6:50

Laser Tripwire circuit / photoresistor tutorial
Afrotechmods - Published on Jan 3, 2010
Turns on LED when LDR gets blocked
Circuit diagram (0:40-1:00)
1:26

Adjusting sensitivity of photoresistor light dependent resistor
2N3904 NPN BJT circuit electronzap
electronzapdotcom - Published on Mar 3, 2018
4:49

How to use Light Dependent Resistors / Arduino Nano
0033mer - Published on Apr 7, 2017
Turns on LED when LDR gets blocked
Circuit diagram (0:45-1:25)
5:12


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