DFRobot Mini Photo-Resistor / Photocell - FIT0180 10 pack An RTC module is a

An RTC module is a hardware device that maintains the current time and date even when power is lost to the device to which it is connected

1 × Stepper Motor 12VDC 32-Step 1/16 Gearing

Key feature: Readings not affected by temperature

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DFRobot Mini Photo-Resistor / Photocell - FIT0180 10 pack An RTC module is aMeasure Light and Optical Changes with a Compact Sensor The Photocell mini photo resistor is a ph sensor designed for light logging, optical switching, line tracking, and brightness aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Head Diameter: 5mm(0. 2"). Important: Water quality sensors usually need calibration solutions and regular probe care. Probe