Serial.print("010C\r"); // Send the "01 0C" command to the OBD-II adapter // Wait for a response from the OBD-II adapter delay(100); // Wait for 100 milliseconds to allow the OBD-II adapter to respond ...
Hardware Involved: Arduino Mega Development Board 3 LEDs (Red, Yellow, Green) Resistor 220 Ohms Resistor 10k Ohms Hall Effect Speed sensor ...