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the phototransistor saturated
Switching circuit
The white LEDs are used for providing proper lighting for the sensor to detect the object colour correctly
Measuring Range :0 - 14PH
Lux - or Lumens per Square Meter
Real Time Clock (DS3231 High Precision) Expander Breakout the phototransistor saturatedIntroduction: The DS3231 is a low cost, extremely accurate I2C real time clock (RTC) with an integrated temperature compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long term accuracy of the device as well as reduces the piece part count in a manufacturing line. The DS3231 is