2-PIECE SET: Includes 2 LDR light sensor modules, perfect for prototyping, learning, or adding light sensitivity to multiple projects. What Is Ldr Light Sensor at Abigail Lester blog Light Sensor Module Adjustable Digital Analog Output Arduino DIYables Touch Sensor Button Switch For Arduino, ESP32, ESP8266, Raspberry Pi, 2 Pieces Ldr Light Sensor Arduino So I hsve this PIR sensor that I saved from a number of years ago that was part of our old front porch light. I saved it thinking that one day I may figure... ONLINE TUTORIALS AVAILABLE: Easy-to-follow tutorials for Arduino, ESP32, ESP8266, Raspberry Pi, and MicroPython — search DIYables LDR light sensor module. ONLINE TUTORIALS AVAILABLE: Easy-to-follow tutorials for Arduino, ESP32, ESP8266, Raspberry Pi, and MicroPython - search DIYables LDR light sensor module. 2-PIECE SET: Includes 2 LDR light sensor modules, perfect for prototyping, learning, or adding light sensitivity to multiple projects DIGITAL & ANALOG OUTPUTS: Includes both digital (HIGH/LOW) and analog output pins, offering flexible integration with any microcontroller.