Home / Electronics Articles / Application of light dependent resistor (LDR) Application of light dependent resistor (LDR) Author: Technical Editor Category: Electronics Articles 18 Mar 17 The Light Dependent Resistor (LDR) used for automatic contrast and brightness control in television receivers. The LDR is used in the infrared astronomy. The LDR is used in optical coding. Used in light activated control circuits. Used in light failure alarm circuits and used in light meter. The LDR used in smoke detectors. Used in the security alarm. The LDR also used in street light control circuits. It is used in camera light meters. Used in photosensitive relay. It is also used as a proximity switch. light dependent resistor (LDR) Like32 Dislike5 Related Articles:Types of signalsTypes of re-lampingOptical transducerElectronic distance meter (EDM)9271272519 – Cell solar panelsDifference between Ordinary light and Laser light Tags:light Related Posts Advantages and disadvantages of ramp type DVM (digital voltmeter) by Technical Editor Block diagram of instrumentation system by Technical Editor Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Name:* Email:* Website : Save my name, email, and website in this browser for the next time I comment.