HC-05 Bluetooth + Arduino

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HC-05 Programmer Sketch from p.14 HC-05 to Android Master Sketch from p.29

Slave Sketch from p.34 Master Sketch from p.39

HC-05 Programmer Sketch from p.14

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/* HC-05 AT Programmer by Michael Wright (y2kLeader.com) HC-05 TXD - Arduino Pin 2 HC-05 RXD - Voltage Divider or LLC - Arudino Pin 3 HC-05 EN - Arduino Pin 4 HC-05 VCC - Arduino Pin 5 HC-05 GND - Arduino GND Voltage divider 1000 Ohm and 2000 Ohm resistor If using a ZX-040 connect 3.3 Volts to pin 34 & hold button when powering on to enter AT mode. */ #include <SoftwareSerial.h> int rx=2; int tx=3; int enable=4; int power=5; int data; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(38400); pinMode(enable,OUTPUT); pinMode(power,OUTPUT); digitalWrite(enable,HIGH); bluetooth.begin(38400); digitalWrite(power,HIGH); Serial.println("Ready"); } void loop() { if (bluetooth.available()){ Serial.write(bluetooth.read()); } if (Serial.available()){ data=Serial.read(); bluetooth.write(data); } }

HC-05 to Android Master Sketch from p.29

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//HC-05 to Android Master (Single Servo) #include <Servo.h> Servo servo1; int servo1_position=0; #include <SoftwareSerial.h> int rx=2; int tx=3; int enable=4; int power=6; byte data; SoftwareSerial bluetooth(rx,tx); void setup() { servo1.attach(9); Serial.begin(38400); pinMode(enable,OUTPUT); pinMode(power,OUTPUT); digitalWrite(enable,HIGH); bluetooth.begin(38400); digitalWrite(power,HIGH); Serial.println("Ready"); } void loop() { if (bluetooth.available()){ data=bluetooth.read(); Serial.write(data); if (data=='l'){ servo1_position=0; servo1.write(servo1_position); } if (data=='u'){ servo1_position=90; servo1.write(servo1_position); } if (data=='r'){ servo1_position=180; servo1.write(servo1_position); } } if (Serial.available()){ data=Serial.read(); bluetooth.write(data); } } //end sketch

Slave Sketch from p.34

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//SLAVE #include <SoftwareSerial.h> #include <Servo.h> Servo servo1; int rx=2; int tx=3; int data_from_master=0; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(9600); servo1.attach(9); bluetooth.begin(9600); Serial.println("Slave Ready"); } void loop() { if (bluetooth.available()){ data_from_master=bluetooth.read(); servo1.write(data_from_master); Serial.println(data_from_master); } }

Master Sketch from p.39

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//MASTER #include <SoftwareSerial.h> int rx=2; int tx=3; int pot=0; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(38400); bluetooth.begin(38400); Serial.println("Master Ready"); } void loop() { pot = analogRead(A0); int potvalue = map(pot, 0, 1023, 0, 255); bluetooth.write(potvalue); //Sends pot value to slave delay(10); }

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HC-05 Programmer Sketch from p.14	HC-05 to Android Master Sketch from p.29
Slave Sketch from p.34	Master Sketch from p.39

HC-05 Programmer Sketch from p.14
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/* HC-05 AT Programmer by Michael Wright (y2kLeader.com) HC-05 TXD - Arduino Pin 2 HC-05 RXD - Voltage Divider or LLC - Arudino Pin 3 HC-05 EN - Arduino Pin 4 HC-05 VCC - Arduino Pin 5 HC-05 GND - Arduino GND Voltage divider 1000 Ohm and 2000 Ohm resistor If using a ZX-040 connect 3.3 Volts to pin 34 & hold button when powering on to enter AT mode. */ #include <SoftwareSerial.h> int rx=2; int tx=3; int enable=4; int power=5; int data; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(38400); pinMode(enable,OUTPUT); pinMode(power,OUTPUT); digitalWrite(enable,HIGH); bluetooth.begin(38400); digitalWrite(power,HIGH); Serial.println("Ready"); } void loop() { if (bluetooth.available()){ Serial.write(bluetooth.read()); } if (Serial.available()){ data=Serial.read(); bluetooth.write(data); } }

HC-05 to Android Master Sketch from p.29
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//HC-05 to Android Master (Single Servo) #include <Servo.h> Servo servo1; int servo1_position=0; #include <SoftwareSerial.h> int rx=2; int tx=3; int enable=4; int power=6; byte data; SoftwareSerial bluetooth(rx,tx); void setup() { servo1.attach(9); Serial.begin(38400); pinMode(enable,OUTPUT); pinMode(power,OUTPUT); digitalWrite(enable,HIGH); bluetooth.begin(38400); digitalWrite(power,HIGH); Serial.println("Ready"); } void loop() { if (bluetooth.available()){ data=bluetooth.read(); Serial.write(data); if (data=='l'){ servo1_position=0; servo1.write(servo1_position); } if (data=='u'){ servo1_position=90; servo1.write(servo1_position); } if (data=='r'){ servo1_position=180; servo1.write(servo1_position); } } if (Serial.available()){ data=Serial.read(); bluetooth.write(data); } } //end sketch

Slave Sketch from p.34
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//SLAVE #include <SoftwareSerial.h> #include <Servo.h> Servo servo1; int rx=2; int tx=3; int data_from_master=0; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(9600); servo1.attach(9); bluetooth.begin(9600); Serial.println("Slave Ready"); } void loop() { if (bluetooth.available()){ data_from_master=bluetooth.read(); servo1.write(data_from_master); Serial.println(data_from_master); } }

Master Sketch from p.39
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//MASTER #include <SoftwareSerial.h> int rx=2; int tx=3; int pot=0; SoftwareSerial bluetooth(rx,tx); void setup() { Serial.begin(38400); bluetooth.begin(38400); Serial.println("Master Ready"); } void loop() { pot = analogRead(A0); int potvalue = map(pot, 0, 1023, 0, 255); bluetooth.write(potvalue); //Sends pot value to slave delay(10); }