Ebotics Code&Drive User manual

PROJECT Nº 2: Emergency alarm
Create a program so that when pressing the button, the LEDs will turn on
intermittently following the speed of the sound made by the buzzer, simulating
the alarm of an emergency vehicle.
DIFFICULTY LEVEL: Beginner.
DURATION OF THE EXERCISE: 20 min.
MATERIALS:
1 Green LED, 1 Red LED, 1 Button and 1 Buzzer from the Code&Drive kit.
The Code&Drive will have to be built according to the instructions manual
Computer
The Code&Drive will have to be built according to the instructions manual.

What is a buzzer?
A buzzer is an electroacoustic transducer that makes a continuous or intermittent
sound, usually treble. It is used as a signaling mechanism o warning and can be
applied to multiple systems, such as cars and household appliances, including
wake up alarms.
What is a button?
A button is a switch mechanism that when pressed it sends a signal.
CONNECTIONS:
Connect the light sensors to the analog pins A0 and A1.1.
Connect the LEDs to the digital pins 9 and 10.2.
PROGRAMMING CODE
You can do this project using the Arduino, Bitbloq and other visual programming
software by blocks compatible. Below you will find the necessary code.
Arduino Code

Download and install the Arduino IDE program. It is available for1.
Windows, Mac OS and Linux.
Open the Arduino program and copy the following program in it:2.
int PinSpeedMotorA = 5, PinSpeedMotorB = 6; // PIN
DIGITAL PARA LA VELOCIDAD DE LOS MOTORES
int PinBoton = 11, ValueBoton = 0; // PIN DIGITAL DEL
BOTÓN Y VALOR DEL BOTÓN
int PinLED1 = 9, PinLED2 = 10; // PIN DIGITAL LED1 Y
LED2
int PinBuzzer = 8; // PIN DIGITAL DEL ZUMBADOR
void setup() {
// put your setup code here, to run once:
// CONFIGURACIÓN DE LOS PINES DIGITALES
pinMode(PinSpeedMotorA, OUTPUT);
pinMode(PinSpeedMotorB, OUTPUT);
pinMode(PinBoton, INPUT);
pinMode(PinLED1, OUTPUT);
pinMode(PinLED2, OUTPUT);
pinMode(PinBuzzer, OUTPUT);
// VELOCIDAD DE LOS MOTORES A 0
analogWrite(PinSpeedMotorA, 0);
analogWrite(PinSpeedMotorB, 0);
}
void loop() {
// put your main code here, to run repeatedly:
ValueBoton = digitalRead( PinBoton); // LECTURA DE
ESTADO DEL BOTÓN
if ( ValueBoton == LOW) // SI EL BOTÓN ESTÁ PULSADO
{
digitalWrite(PinLED1,HIGH); // LED1 = ON
digitalWrite(PinLED2,LOW); // LED2 = OFF
tone(PinBuzzer, 600); // TONO DEL ZUMBADOR
delay(350); // TIEMPO DE EJECUCIÓN
digitalWrite(PinLED1,LOW); // LED1 = OFF
digitalWrite(PinLED2,HIGH); // LED2 = ON
tone(PinBuzzer, 400); // TONO DEL ZUMBADOR
delay(350); // TIEMPO DE ESPERA
}
else // SI EL BOTÓN NO ESTÁ PULSADO
{
noTone(PinBuzzer); // ZUMBADOR APAGADO

digitalWrite(PinLED1,LOW); // LED1 = OFF
digitalWrite(PinLED2,LOW); // LED2 = OFF
}
}
Configure and upload the code, following the indications on the3.
Code&Drive First Steps guide.
Check that the BTL/USB switch on the Build&Code 4in1 board is set to4.
USB, to upload the code correctly.
Code for the visual programming software by blocks compatible
Download and install the program.1.
Open the software and copy the following code. Use the following image2.
as a guide:
Configure and upload the code, following the indications on the3.
Code&Drive First Steps guide.
Check that the BTL/USB switch on the Build&Code 4in1 board is set to4.
USB, to upload the code correctly.
Bitbloq code
Download Bitbloq and install the Web2board app.1.
Open the software and copy the following code:2.
Hardware

Software
Configure and upload the code, following the indications on the3.
Code&Drive First Steps guide.
Check that the BTL/USB switch on the Build&Code 4in1 board is set to4.
USB, to upload the code correctly.
RESULT OF THE EXERCISE
When pressing the button, both LEDs will light intermittently. The buzzer will
make a sound and change its note every time a LED turns on.
Altogether, when you press the button, the LEDs and the buzzer will simulate the

alarm of an emergency vehicle.