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Dark Sensor Circuit

Dark Sensor Circuit

Dark/Light Activated Circuit using LDR The dark sensor circuit is very useful to Automatic Switch ON and OFF any appliance by Detection of Light and Dark. LDR is a photoresistor that is used for the detection of light. When Light intensity high on LDR, The Resistance through it Decrease and When Light intensity is Low on LDR, then the resistance […]

Light Activated Switch Without Relay

Light Activated Switch Without Relay

Light/Dark Activated Switch circuit without Relay The Working Principle of this Automatic Bulb Switch same as My previous Project Automatic Transformerless Light Switch.  But Here Used A Triac At the place of Relay. In the circuit, There is no used Relay for switching.  This is Automatic Light Controlled Bulb Switch With LDR Using Without Relay  When Light fall on LDR in […]

Automatic Night Light using LDR

Automatic Night Light using LDR

LDR circuit diagram LDR darkness sensor circuit This is an Automatic Night Light circuit Without Transformer operated by Light Using Light Sensor LDR (Light-dependent resistor). This Transformerless Automatic Light operated Night Light circuit is very simple and easy. At DayThe Bulb is an automatic switch off and At night Automatic Switch ON Automatic Night Bulb Switch. IN this circuit No […]

Light Activated Switch using Transistor

Light Activated Switch using Transistor

LDR circuit diagram Dark sensor circuit This is a light-controlled LED light circuit, Light-activated switch, which fully depends on Light. LDR is used in this for sensing the DARK  and LIGHT. LDR is a Light Dependent Resistor which resistance increases as darkness and its resistance is Decreases when Light falling on it. automatic street light circuit diagram     In […]

Automatic Night Lamp Using LDR

Automatic Night Lamp Using LDR

LDR darkness sensor circuit dark sensor circuit  This Automatic light operated light switch circuit is Based on LDR. LDR is a Light Dependent Resistor. It is also called Photoresistor. Introduction of LDR LDR (Photoresistor) is a type of variable resistor which Increases its Resistance when the Light is Decreases and its Resistance Decreases When Light is Increases. It means in […]