Contact person: Business Client

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Location: Bangalore, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m building a small device around an ESP32-S3 that must detect motion and push the readings over Wi-Fi.
The board will interface only with motion-type sensors (PIR, microwave or similar), no other sensing is required. Once motion is detected the event should be timestamped, packaged and sent through the on-board Wi-Fi interface to a configurable endpoint on my LAN.

Key points you will handle
• Initialise and read the chosen motion sensor reliably.
• Set up stable Wi-Fi connectivity on the ESP32-S3 (station mode, WPA2).
• Publish each motion event to an HTTP or MQTT endpoint – I’m open to whichever you can implement fastest.
• Keep the firmware lightweight; power-saving features such as deep-sleep after inactivity are a plus.

Deliverables
1. Well-commented source code for the ESP32-S3 (ESP-IDF or Arduino-ESP32).
2. Pin-out and wiring diagram for the motion sensor.
3. Build & flash instructions that let me reproduce the firmware from a clean install.
4. A short document or video clip showing the system detecting motion and sending data over Wi-Fi.

Acceptance criteria
• Motion events appear on my endpoint within one second of detection.
• No false triggers during a 4-hour idle test.
• Wi-Fi reconnect routine must recover automatically after a router reboot.

If you have prior work with ESP32-S3, Wi-Fi stacks or motion sensing, let me know and feel free to suggest improvements before we start." (client-provided description)