Rafa Juárez
Published © GPL3+

Arduino 101 Blynk and BLE Example Panel

An example of Blynk app linking the mobile to the Arduino 101 using Bluetooth Low Energy BLE.

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Arduino 101 Blynk and BLE Example Panel

Things used in this project

Hardware components

Arduino 101 & Genuino 101
Arduino 101 & Genuino 101
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Software apps and online services

Blynk
Blynk

Story

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Code

CODE

Arduino
This code is a demostration of how to use Blynk BLE (BloueTooth Low Energy of the Arduino 101) to read and write values on the Mobile Blynk APP
/**************************************************************
 * Blynk is a platform with iOS and Android apps to control
 * Arduino, Raspberry Pi and the likes over the Internet.
 * You can easily build graphic interfaces for all your
 * projects by simply dragging and dropping widgets.
 *
 *   Downloads, docs, tutorials: http://www.blynk.cc
 *   Blynk community:            http://community.blynk.cc
 *   Social networks:            http://www.fb.com/blynkapp
 *                               http://twitter.com/blynk_app
 *
 * Blynk library is licensed under MIT license
 * This example code is in public domain.
 *
 **************************************************************
 *
 * This example shows how to use Arduino 101 CurieBLE
 * to connect your project to Blynk.
 *
 * Note: This requires CurieBLE library
 *   from http://librarymanager/all#CurieBLE
 *
 * NOTE: BLE support is in beta!
 *
 **************************************************************/

//#define BLYNK_USE_DIRECT_CONNECT

#define BLYNK_PRINT Serial

#include <BlynkSimpleCurieBLE.h>
#include <CurieBLE.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "65176043c54744dbb5615ff0a722898a";

BLEPeripheral  blePeripheral;

 //Configuration of the widges used at the Blynk panel in the mobile
    WidgetLED led_D(V0); // Moving Forward
    WidgetLED led_R(V1); // Moving To right
    WidgetLED led_L(V2); // Moving To left
    WidgetLED led_B(V3); // Moving Backward
void setup() {
  Serial.begin(9600);
  delay(1000);
  pinMode(13,OUTPUT);
  blePeripheral.setLocalName("Blynk");
  blePeripheral.setDeviceName("Blynk");
  blePeripheral.setAppearance(384);
  Blynk.begin(blePeripheral, auth);
  blePeripheral.begin();
  digitalWrite(13, HIGH);
  

  Serial.println("Waiting for connections...");
}
/**************************************************************

 * You can receive x and y coords for joystick movement within App.

 *

 * App dashboard setup:

 *   Two Axis Joystick on V10 in MERGE output mode.

 *   MERGE mode means device will receive both x and y within 1 message

 *

 **************************************************************/
BLYNK_WRITE(V10){
    int valueX = param[0].asInt(); // Get the value from the Joystick X value
    int valueY = param[1].asInt(); // Get the value from the Joystick Y value
    Serial.print("X = ");Serial.print(valueX);Serial.print("; Y = ");Serial.println(valueY);
    Blynk.virtualWrite(V9,valueX);Blynk.virtualWrite(V4,valueY);
    digitalWrite(13, LOW);
    delay(50);
    digitalWrite(13, HIGH);
    delay(50);
    digitalWrite(13, LOW);
    delay(50);
    digitalWrite(13, HIGH);
    delay(50);
}

void loop() {
  Blynk.run();
  blePeripheral.poll();
  test();
}

void test()
{
  Blynk.syncVirtual(V10); //Requests to update this virtual pin
  led_D.setValue(255);
  delay(100);
   led_R.setValue(255);
  delay(10);
   led_B.setValue(255);
  delay(10);
   led_L.setValue(255);
  delay(10);
   led_D.setValue(0);
  delay(10);
   led_R.setValue(0);
  delay(10);
   led_B.setValue(0);
  delay(10);
   led_L.setValue(0);
  delay(10);
  for (int a=0;a<=255;a=a+25){
    Blynk.virtualWrite(V5,a);
    Blynk.virtualWrite(V6,a);
  }
}

Credits

Rafa Juárez

Rafa Juárez

18 projects • 27 followers
Very interested in prototyping of new ideas. 30 years experience in electronics. Currently VOME Implementation Manager in Automotive

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