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budget-friendly development board built around the ATmega328P
Useful spec: 5
separated by 1
they look softer and more uniformed so that you can see them well from any angle
Phototransistor PT334 6C 5MM 5PCS ratchet crimp budget-friendly development board built aroundMeasure Light and Optical Changes with a Compact Sensor The Phototransistor PT334 6C 5MM 5PCS is a ph sensor with digital output 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 Interface: Digital GPIO. Important: Water quality sensors usually need calibration solutions and regular
