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  1. Photorésistance — Wikipédia

    Une photorésistance (également appelée résistance photogénique, cellule photoconductrice ou cellule photoéléctrique) (En anglais: LDR, light dependent resistor) est un composant électronique dont la …

  2. Photorésistance : fonctionnement, choix, montages arduino,

    May 15, 2022 · Comme vu en intro, une photorésistance (aussi appelée LDR, pour « Light Dependent Resistor », ou encore « Photoresistor ») est un composant électronique dont la valeur ohmique varie …

  3. Qu'est-ce qu'un LDR et comment il fonctionne en électronique

    Jun 17, 2025 · Une résistance dépendante de la lumière, ou LDR, est un composant spécial qui réagit à la lumière en modifiant sa résistance.Plus il reçoit de lumière, plus sa résistance est faible.Cette …

  4. LDR - Light Dependent Resistor | Working, Types, Application

    Nov 27, 2025 · An LDR (Light Dependent Resistor) is a passive component that changes its resistance with the intensity of light. It decreases resistance as light intensity increases.

  5. Photoresistor / Light Dependent Resistor (LDR) Circuit Explained

    Feb 5, 2025 · A Light Dependent Resistor (LDR), also known as a photoresistor, is a type of passive electronic component that changes its resistance based on the intensity of light falling on it.

  6. Light Dependent Resistor (LDR) - Working Principle and Its Applications

    Jul 18, 2019 · An LDR or light dependent resistor is also known as photo resistor, photocell, photoconductor. It is a one type of resistor whose resistance varies depending on the amount of light …

  7. Light Dependent Resistor: A Comprehensive Guide - Electrical4U

    Jun 18, 2023 · A light-dependent resistor (LDR) is a passive component that changes its resistance based on light intensity. Also known as photoresistors, photocells, or photoconductors, LDRs are …

  8. What is LDR? (Photoresistor) - Engineering Learn

    What is LDR? Types, Working, Application, Diagram & Symbol [Complete Details] :- Its full form is Light Dependent Resistor or Photoresistor, which is a passive electronic component.

  9. Photoresistor - Wikipedia

    A photoresistor (also known as a light-dependent resistor, LDR, or photo-conductive cell) is a passive component that decreases in resistance as a result of increasing illuminance (light) on its sensitive …

  10. Home, Louisiana Department of Revenue

    BATON ROUGE – The Baton Rouge office of the Louisiana Department of Revenue (LDR) will stop accepting cash payments effective Nov. 1, 2025.