3d Printing

후가공

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결합 및 마무리

• 사각 네오디뮴 자석은 40mm x 20mm x 5mm 를 4개 사용하였다.

• 헬멧과 마스크를 연결해주는 서보 모터 모듈은 아래 사이트에서 다운 받는다.

http://www.thingiverse.com/thing:1396238

스마트폰과 아두이노를 이용한 블루투스 연결

#include <CurieBLE.h>

#include <Servo.h>

BLEService ledService("19B10000-E8F2-537E-4F6C-D104768A1214"); // BLE LED Service

// BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central

BLEUnsignedCharCharacteristic switchCharacteristic("19B10001-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite);

const int maskPin = 9; // pin to use for the Servo Motor

const int LEDGND = 6; // pin to use for the LED

const int LEDPin = 7; // pin to use for the LED

int pos = 0;

Servo myservo;

void setup() {

Serial.begin(9600);

// set LED pin to output mode

myservo.attach(maskPin);

pinMode(LEDGND, OUTPUT);

pinMode(LEDPin, OUTPUT);

digitalWrite(LEDGND, LOW);

// begin initialization

BLE.begin();

// set advertised local name and service UUID:

BLE.setLocalName("LED");

BLE.setAdvertisedService(ledService);

// add the characteristic to the service

ledService.addCharacteristic(switchCharacteristic);

// add service

BLE.addService(ledService);

// set the initial value for the characeristic:

switchCharacteristic.setValue(0);

// start advertising

BLE.advertise();

myservo.write(170);

Serial.println("BLE LED Peripheral");

}

void loop() {

// listen for BLE peripherals to connect:

BLEDevice central = BLE.central();

// if a central is connected to peripheral:

if (central) {

Serial.print("Connected to central: ");

// print the central's MAC address:

Serial.println(central.address());

// while the central is still connected to peripheral:

while (central.connected()) {

// if the remote device wrote to the characteristic,

// use the value to control the LED:

if (switchCharacteristic.written()) {

int val = switchCharacteristic.value();

if (val == 0) { // 마스크 닫힘

Serial.println("Mask CLOSE");

for (pos = 170; pos > 100; pos -= 1)

{

myservo.write(pos);

delay(15);

}

for (pos = 100; pos >= 50; pos -= 1)

{

myservo.write(pos);

delay(10);

}

digitalWrite(LEDPin, HIGH);

} else if (val == 1) { // 마스크 열림

Serial.println("Mask OPEN");

digitalWrite(LEDPin, LOW);

for (pos = 50; pos < 100; pos += 1)

{

myservo.write(pos);

delay(10);

}

for (pos = 100; pos <= 170; pos += 1)

{

myservo.write(pos);

delay(15);

}

} else {

Serial.println("LED off");

digitalWrite(LEDPin, LOW);

}

}

}

// when the central disconnects, print it out:

Serial.print(F("Disconnected from central: "));

Serial.println(central.address());

}

}

시연