IoT-based Machine Utilization Monitoring project for a CNC machine and conventional lathe. -- 2

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The objective is to detect machine states (OFF, IDLE and RUNNING) and record their operating times using an ESP32. We want a non-invasive current measurement solution. The machine has an incoming AC supply through a stabilizer, which is converted internally to DC for the motor. I need help with: Selecting the correct AC/DC current sensor. Designing the sensor interfacing and signal-conditioning circuit. Preparing the complete hardware BOM and wiring diagram. Testing the setup to distinguish…

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