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Arduino Frequency Counter Code Explanation: Code for this frequency measurement using arduino is quite simple and easily understandable.Here we are explaining the pulseIn function which is mainly ...

Arduino NANO or Uno (any version) HC-SR04 Ultrasonic Sensor; LM298N Motor Driver Module; 5V DC Motors; Battery; Wheels; Chassis; Jumper Wires . Circuit Diagram. The complete circuit diagram for this ...

Soil Moisture Monitoring with Arduino – Circuit Diagram. Fig. 3 shows the physical connection of the system, while Fig. 4 provides the schematic. In both diagrams, the sensor’s output signal pin is ...