vincent wong
Published © GPL3+

Blynk Board Arduino Development 101

This guide shows you how to add Blynk Board support to the Arduino IDE.

BeginnerProtip2 hours732
Blynk Board Arduino Development 101

Things used in this project

Hardware components

SparkFun Blynk Board - ESP8266
SparkFun Blynk Board - ESP8266
×1

Software apps and online services

Arduino IDE
Arduino IDE
Blynk
Blynk

Story

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Code

Blynk_101.ino

C/C++
#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <Adafruit_NeoPixel.h>

////////////////////
// Blynk Settings //
////////////////////
char BlynkAuth[] = "auth_token";
char WiFiNetwork[] = "wifi_ssid";
char WiFiPassword[] = "wifi_password";

///////////////////////
// Hardware Settings //
///////////////////////
#define WS2812_PIN 4 // Pin connected to WS2812 LED
#define BUTTON_PIN 0
#define LED_PIN    5
Adafruit_NeoPixel rgb = Adafruit_NeoPixel(1, WS2812_PIN, NEO_GRB + NEO_KHZ800);

BLYNK_WRITE(V0) // Handle RGB from the zeRGBa
{
  if (param.getLength() < 5)
    return;

  byte red = param[0].asInt();
  byte green = param[1].asInt();
  byte blue = param[2].asInt();

  uint32_t rgbColor = rgb.Color(red, green, blue);
  rgb.setPixelColor(0, rgbColor);
  rgb.show();
}

void setup()
{
  // Initialize hardware
  Serial.begin(9600); // Serial
  rgb.begin(); // RGB LED
  pinMode(BUTTON_PIN, INPUT); // Button input
  pinMode(LED_PIN, OUTPUT); // LED output

  // Initialize Blynk
  Blynk.begin(BlynkAuth, WiFiNetwork, WiFiPassword);
}

void loop()
{
  // Execute Blynk.run() as often as possible during the loop
  Blynk.run(); 
}

Credits

vincent wong

vincent wong

56 projects • 159 followers

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