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Dev.to
Dev.to
6/18/2026
Build a ESP32-CAM Face Detection Without AI Training

Build a ESP32-CAM Face Detection Without AI Training

Short summary

Learn to build face detection on low-cost ESP32-CAM hardware using cloud APIs instead of on-device AI models. This tutorial guides students through capturing images, uploading to face-detection services, and displaying results—no machine learning training required. Covers IoT fundamentals (Wi-Fi, APIs, JSON, embedded programming) and real-world use cases like smart doorbells and visitor counting systems.

  • Cloud APIs offload processing from resource-constrained microcontroller, eliminating need for model training
  • Minimal hardware required; accessible entry point for IoT and computer vision learning
  • Teaches practical embedded systems skills (Wi-Fi communication, API integration, image capture) without ML expertise

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