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While reading voltage readVoltage(a, 'A0'), i am always getting 5 volts, irrespective of if the sensor is in air, or water or soil. What may be the reason?
a = ardunio('COM3', 'uno'); moisture_reading = readVoltage(a, 'A0'); disp("moisture reading is " moisture_reading); Always ...
3년 초과 전 | 답변 수: 1 | 0
