A minimal project that reads an LDR on analog pin A0, maps the 0\–1023 ADC value to 0\–100% and prints both the raw value and percentage to the serial monitor at 9600 baud.
An 8-sensor LDR line following robot using ESP32 with dual-threshold hysteresis algorithm. The project includes both Arduino IDE and ESP-IDF development environments, plus threshold calibration tools.
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