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Security Projects
Motion detection, alerts, and access monitoring tutorials with PIR sensors, relays, and Wi-Fi notifications.
2 ProjectsClear difficulty labelsSecurity
What this category covers
Motion alerts, RFID access, camera monitoring, and lock-control prototypes with clear safety boundaries. A practical first build is ESP32 Motion Security Alert.
Start here: Begin with a local sensor or card reader, then add network alerts only after local testing is reliable.
Skills you practice
- PIR detection
- RFID checks
- relay safety
- event logging
Related guides
Useful components
Related categories
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SecurityBeginner5 min read
ESP32 Motion Security Alert
Build a motion alert node that detects movement with a PIR sensor and triggers a buzzer, LED, or Wi…
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ESP32 RFID Access Control System
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