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From Wikimedia Commons, the free media repository. Subcategories This category has the following 3 subcategories, out of 3 total. Media in category "Photoresistors" The following 50 files are in this category, out of 50 total.
Bright White Light. Cap opt historique figure6. Components photoresistor Eclipse Fabricants photoresistances. High Pressure Sodium Lamp with photocell. Konstrukcni usporadani fotorezistoru. LDR resistance, ambient light. LDR resistance, bright light. LDR resistance, covered. LDR vector. No light. Normal Light. Photocel 1. Photographie photoresistance Photoresistor 2. Photoresistor nfb board lora. Photoresistor symbol.
Photoresistor with orange background Photoresistors - three sizes - mm scale. PIR Leiterplatte mit Helligkeitssensor. Relativni zatizitelnost fotorezistoru.
Streetlight control. Structure of photoresistor. Symbol of photoresistor. Symbol Photoresistor. Universum Altarus - swell pedal - opened USSR photoresistors. View of photoresistor. Categories : Resistors Optical sensors Photoelectric effect.
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A photoresistor acronymed LDR for Light Decreasing Resistance , or light-dependent resistor , or photo-conductive cell is a passive component that decreases resistance with respect to receiving luminosity light on the component's sensitive surface. The resistance of a photoresistor decreases with increase in incident light intensity; in other words, it exhibits photoconductivity. A photoresistor can be applied in light-sensitive detector circuits and light-activated and dark-activated switching circuits acting as a resistance semiconductor. If incident light on a photoresistor exceeds a certain frequency , photons absorbed by the semiconductor give bound electrons enough energy to jump into the conduction band. The resulting free electrons and their hole partners conduct electricity, thereby lowering resistance. The resistance range and sensitivity of a photoresistor can substantially differ among dissimilar devices.