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  1. photodiode - Understanding basic photoresistor circuit - Electrical ...

    10 Beal 2019 · I built a working sensor using the arduino starter kit photoresistor (datasheet) using a 10kOhm resistor and a 5V source but want to understand it better. Edit: afer helpful …

  2. Using op-amps to read real-time resistance values over a wide range

    29 Iúil 2019 · Question Now I need to measure the real-time resistance change of the photoresistor over a larger resistance range (1k to 100M). Is there a way to improve this circuit, …

  3. Why do I have to use an additional resistor with a photoresistor?

    I mean, photoresistor is already a resistor, why do we have to decrease the voltage in the circuit with an additional resistor? Thanks in advance for your answers.

  4. What colors or wavelengths are photoresistors sensitive to?

    15 DFómh 2020 · A photoresistor's sensitivity is a byproduct of the chemical used to create it. This one, a CdS cell, peaks around 545 nm wavelength, which means it is much more sensitive …

  5. transistors - Tuning photoresistor circuit with resistors - Electrical ...

    11 MFómh 2023 · Tuning photoresistor circuit with resistors Ask Question Asked 2 years, 3 months ago Modified 2 years, 3 months ago

  6. Light Dependent Resistor Photoresistor LDR: gl5516 vs gl5506

    30 MFómh 2017 · Light dependent resistors (LDRs) today are not that complicated. Designed originally to help count "bottles and/or cans" passing by a moving flow at production factories, …

  7. How accurate is a photoresistor? - Electrical Engineering Stack …

    1 DFómh 2015 · How accurate is a photoresistor? Ask Question Asked 10 years, 3 months ago Modified 10 years, 3 months ago

  8. Using a pico and a photoresistor to measure light intensity

    1 Samh 2024 · 0 I've recently been trying to do an experiment requiring me to measure light intensity. I didn't have the necessary equipment, but I did have a photoresistor and a Raspberry …

  9. Basic circuit to keep LED either on or off depending on night/day

    10 You need the LED to be lit when the photoresistor is high resistance. So replace the photoresistor with a fixed resistor R3, to supply the base current to turn the transistor on. Then …

  10. How fast is a photoresistor? - Electrical Engineering Stack Exchange

    8 Samh 2020 · 5 As an addition to the other answers, typical CdS photoresistors have their maximum sensitivy at green light and nearly none for red and infrared. Also, their sensitive area …