Project Overview This project creates an occupancy counter that tracks how many people are in a room. Using two PIR sensors placed at a doorway, the system detects direction of movement (entry vs. exit) and maintains a count of current…

Project Overview This project creates a basic home security system that sends SMS alerts to your phone when motion is detected. The system uses an Arduino Uno, a PIR sensor, and a SIM800L GSM module. It’s ideal for monitoring remote…

Project Overview This project creates a smart mailbox notifier that alerts you when mail is delivered. A PIR sensor detects motion inside the mailbox when the mail carrier opens the door or inserts mail. An ESP32 sends a notification to…

Project Overview This project creates an automatic pet feeder that dispenses food when your pet approaches the feeding station. The system uses a PIR sensor to detect your pet’s presence and a servo motor to open a food hopper. You…

Project Overview This project creates an automatic staircase lighting system that turns on LED strip lights when someone approaches the stairs and turns them off after a set delay. Perfect for improving safety on stairs at night while saving energy.…

Project Overview This project connects a PIR sensor to IFTTT (If This Then That), allowing you to trigger thousands of smart home actions. When motion is detected, you can turn on lights, send notifications, log data to spreadsheets, control smart…

Project Overview This project creates a hands-free garage door opener that detects when your car approaches and automatically opens the door. Using a PIR sensor mounted near the driveway, the system detects your vehicle’s heat signature and triggers a relay…

Project Overview This project creates a smart baby monitor that detects when your baby wakes up and sends an alert to your phone. Unlike traditional audio or video monitors, this system uses a PIR sensor to detect movement in the…

Project Overview This project converts a standard sink faucet into a touchless automatic faucet. When you place your hands under the faucet, a PIR sensor detects motion and opens a solenoid valve, allowing water to flow. When you remove your…

Project Overview This project creates an energy-saving HVAC control system that automatically adjusts temperature settings based on room occupancy. When a room is occupied, the system maintains normal temperature; when the room is empty for a set period, it enters…