Learn how to build an ESP32 Interactive Voice Response System that works offline. Call a number, press keys, control appliances. Full circuit, code & block diagram.
Read more »Build an ESP32 Interactive Voice Response System Using GeoLinker
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Category: Microcontrollers Tags:
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ESP32-CAM Attendance System with WhatsApp Alerts
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Step-by-step ESP32-CAM attendance system tutorial with OLED display, rotary encoder, and WhatsApp notifications using CircuitDigest Cloud. Includes wiring, full source code, and FAQs.
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