The 50Pcs/Lot LDR Photo Light Sensitive Resistor is an essential electronic component for hobbyists and professionals alike, particularly those working with Arduino projects. These photoresistors, also known as light-dependent resistors (LDRs), are designed to detect light intensity and can be effectively used in various applications such as automatic lighting systems, light-sensitive alarms, and ambient light detection. Their ability to change resistance based on light exposure makes them ideal for creating interactive and responsive projects that react to environmental changes.

With a wide range of applications, these photoresistors can be integrated into your Arduino setup to enhance functionality and creativity. Use them to create simple light-activated switches, or combine them with other sensors for more complex projects. Their compact design and through-hole package type make them easy to incorporate into your existing circuits, ensuring that your projects are both efficient and effective.


High sensitivity to light changes for accurate readings.
Standard resistance tolerance and accuracy of 1% for reliable performance.
Customizable for various applications, including switches and sensors.
Suitable for use with Arduino and STM microcontrollers.
Pack of 50 ensures you have plenty of components for multiple projects.