Master - Slave Arduino menggunakan komunikasi serial.
Simulasi menggunakan: https://www.tinkercad.com/
Master
#include <SoftwareSerial.h>
SoftwareSerial ArduinoSlave(2,3);
char cmd;
char old_cmd;
char answer;
char old_answer;
void setup(){
Serial.begin(9600);
Serial.println("ENTER Commands:");
ArduinoSlave.begin(1200);
}
void loop(){
old_cmd=cmd;
old_answer=answer;
//Read command from monitor
if (Serial.available()){
cmd=Serial.read();
}
//Read answer from slave
if (ArduinoSlave.available()){
answer=ArduinoSlave.read();
delay(100);
}
//Send data to slave
if(cmd!=old_cmd){
Serial.println();
Serial.print("Master sent : ");
Serial.println(cmd);
ArduinoSlave.write(cmd);
delay(100);
}
//Send answer to monitor
if(answer!=old_answer){
Serial.print("Slave received : ");
Serial.println(answer);
Serial.println();
Serial.println("ENTER Commands:");
}
}
SoftwareSerial ArduinoSlave(2,3);
char cmd;
char old_cmd;
char answer;
char old_answer;
void setup(){
Serial.begin(9600);
Serial.println("ENTER Commands:");
ArduinoSlave.begin(1200);
}
void loop(){
old_cmd=cmd;
old_answer=answer;
//Read command from monitor
if (Serial.available()){
cmd=Serial.read();
}
//Read answer from slave
if (ArduinoSlave.available()){
answer=ArduinoSlave.read();
delay(100);
}
//Send data to slave
if(cmd!=old_cmd){
Serial.println();
Serial.print("Master sent : ");
Serial.println(cmd);
ArduinoSlave.write(cmd);
delay(100);
}
//Send answer to monitor
if(answer!=old_answer){
Serial.print("Slave received : ");
Serial.println(answer);
Serial.println();
Serial.println("ENTER Commands:");
}
}
Slave
#include <SoftwareSerial.h>
SoftwareSerial ArduinoMaster(2,3);
char cmd;
char old_cmd;
void setup(){
ArduinoMaster.begin(1200);
}
void loop(){
old_cmd=cmd;
// Read data from master
if (ArduinoMaster.available()){
cmd=ArduinoMaster.read();
delay(100);
}
// Send answer to master
if(cmd!=old_cmd){
ArduinoMaster.write(cmd);
delay(100);
}
}
SoftwareSerial ArduinoMaster(2,3);
char cmd;
char old_cmd;
void setup(){
ArduinoMaster.begin(1200);
}
void loop(){
old_cmd=cmd;
// Read data from master
if (ArduinoMaster.available()){
cmd=ArduinoMaster.read();
delay(100);
}
// Send answer to master
if(cmd!=old_cmd){
ArduinoMaster.write(cmd);
delay(100);
}
}
Hasil Serial Monitor:
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