95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*************************************************************
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Download latest Blynk library here:
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https://github.com/blynkkk/blynk-library/releases/latest
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Blynk is a platform with iOS and Android apps to control
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Arduino, Raspberry Pi and the likes over the Internet.
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You can easily build graphic interfaces for all your
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projects by simply dragging and dropping widgets.
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Downloads, docs, tutorials: http://www.blynk.cc
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Sketch generator: http://examples.blynk.cc
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Blynk community: http://community.blynk.cc
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Follow us: http://www.fb.com/blynkapp
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http://twitter.com/blynk_app
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Blynk library is licensed under MIT license
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This example code is in public domain.
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*************************************************************
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This is a simple stroboscope.
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You can turn it on and of using a button,
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and control frequency with a slider.
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App project setup:
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Button widget (Switch) on V1
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Slider widget (100...1000) on V2
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*************************************************************/
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/* Comment this out to disable prints and save space */
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#define BLYNK_PRINT Serial
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#include <SPI.h>
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#include <Ethernet.h>
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#include <BlynkSimpleEthernet.h>
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// You should get Auth Token in the Blynk App.
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// Go to the Project Settings (nut icon).
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char auth[] = "YourAuthToken";
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#define LED_PIN 9
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BlynkTimer timer;
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int t1;
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// Toggle LED
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void ledBlynk()
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{
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digitalWrite(LED_PIN, !digitalRead(LED_PIN));
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}
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// Enable/disable blinking using virtual pin 1
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BLYNK_WRITE(V1)
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{
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if (param.asInt()) {
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timer.enable(t1);
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} else {
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timer.disable(t1);
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digitalWrite(LED_PIN, LOW);
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}
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}
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// Change blink interval using virtual pin 2
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BLYNK_WRITE(V2)
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{
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long interval = param.asLong();
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boolean wasEnabled = timer.isEnabled(t1);
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timer.deleteTimer(t1);
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t1 = timer.setInterval(interval, ledBlynk);
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if (!wasEnabled) {
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timer.disable(t1);
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}
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}
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void setup()
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{
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// Debug console
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Serial.begin(9600);
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Blynk.begin(auth);
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// Configure LED and timer
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pinMode(LED_PIN, OUTPUT);
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t1 = timer.setInterval(500L, ledBlynk);
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timer.disable(t1);
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}
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void loop()
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{
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Blynk.run();
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timer.run();
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}
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