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small robots
Use the analog pin for raw readings and the digital pin for threshold-based switching
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The Stepper Motor 5VDC 32-Step 1/16 Gearing is a practical stepper motor from Circuitrocks for students
MQ-3 Alcohol Gas Sensor - Analog Module rfid tags small robotsDetect Gas Changes with a Practical Air Sensor The Analog Alcohol Sensor MQ3 is a gas sensor with analog and digital output designed for air quality projects, leak alerts, and ventilation monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Interface: Analog and digital. Important: Most gas and chemical sensors work best after warm up and calibration. Readings can
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