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Raspberry Pi & IoT Engineering• 6 min read
Hosting Flask Web APIs on the Pi
Expose REST endpoints on the Pi with Flask to toggle LEDs, read sensor data, and control hardware from your smartphone.
Smartphone Hardware Controller API
A minimal Flask app running on port 5000 can listen for POST /api/light/toggle requests from any browser on your Wi-Fi network to physically switch relays.
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Test Yourself With Exercise
Which lightweight Python web micro-framework is most popular for creating IoT APIs on the Raspberry Pi?