LDR Photosensitive Resistor Light Sensor Module (DO/AO)
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Most Electronics | LDR 3-Pin Photosensitive Resistor Sensor | 30 EGP38.38 | View in store |
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Lowest price recorded: 30 EGP
About this product
A light-dependent resistor (LDR) module with a digital output (D0) and an analog output (A0) for measuring ambient brightness. An onboard blue potentiometer sets the digital threshold, and an indicator LED shows its state. Common uses include dusk-activated switches and brightness sensing with Arduino or similar boards.
Specifications
- Operating voltage
- 3.3 V to 5 V
- Outputs
- D0 digital, A0 analog
- Sensitivity adjustment
- Blue potentiometer (onboard)
- Pins
- 4 (VCC, GND, D0, A0)
- Indicator LED
- Yes
- Mounting hole
- Yes
Frequently asked questions
What is the price of LDR Photosensitive Resistor Light Sensor Module (DO/AO) in Egypt?
LDR Photosensitive Resistor Light Sensor Module (DO/AO) currently costs 30 EGP in Egypt.
Where can I buy LDR Photosensitive Resistor Light Sensor Module (DO/AO) in Egypt?
LDR Photosensitive Resistor Light Sensor Module (DO/AO) is available from Most Electronics. Compare the offers above to find the best price.
How do I wire it to an Arduino?
Connect VCC to 5V (or 3.3V within the operating range), GND to GND, A0 to an analog input for brightness readings, and D0 to a digital pin if you only need threshold switching. Per the listing, D0 outputs a low level under strong light.
Does it work with Raspberry Pi?
The listing says it is compatible with Raspberry Pi. The Pi has no analog inputs, so use D0 on a GPIO pin with a 3.3 V supply. For analog readings on a Pi, add an external ADC.
