21 lines
374 B
Arduino
21 lines
374 B
Arduino
#include <ModbusSerial.h>
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// Define pins
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#define PIN_INPUT 3
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#define PIN_LED 13
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// Create Modbus object
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ModbusSerial mb(Serial, 1); // Assuming slave ID is 1
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void setup() {
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Serial.begin(9600);
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pinMode(PIN_INPUT, INPUT);
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pinMode(PIN_LED, OUTPUT);
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}
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void loop() {
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int sensorVal = digitalRead(PIN_INPUT);
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mb.task(); // Update Modbus communication
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delay(500);
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}
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