blob: 4b42ee35f4c4f096e278a1ec0cc8e801077534e1 (
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#define RX_ENABLE_PIN 4
#define TX_ENABLE_PIN 16
#define DEBUG_PIN 13
void setup()
{
pinMode(RX_ENABLE_PIN, OUTPUT);
pinMode(TX_ENABLE_PIN, OUTPUT);
pinMode(DEBUG_PIN, OUTPUT);
digitalWrite(TX_ENABLE_PIN, LOW); //disable tx
digitalWrite(RX_ENABLE_PIN, LOW); //enable rx
digitalWrite(DEBUG_PIN, LOW); //disable led
Serial.begin(38400);
}
void loop()
{
if (Serial.available() > 0)
{
digitalWrite(DEBUG_PIN, HIGH);
Serial.println("RS485 active.");
}
}
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