Light Sensor Triggers LED - Arduino Tutorial

A Light Dependent Resistor (LDR) controlled LED on an Arduino Uno microcontroller is a circuit that uses an LDR to sense the ambient light

Light Sensor Triggers Relay - Arduino Tutorial

Using a light sensor to control an LED — codemahal

Arduino Project 9: Light Sensitive LED - DFRobot

PIR Sensor analog value oscillation? - Project Guidance - Arduino Forum

Arduino with PIR Motion Sensor

Arduino Light Sensor using a Photoresistor (LDR) - Pi My Life Up

Using light sensor module with Raspberry Pi

Arduino Light Sensor Tutorial - The Geek Pub

PIR Sensor: Overview, Applications and Projects - Latest Open Tech From Seeed