#include "Particle.h"
#include "neopixel.h"
SYSTEM_MODE(AUTOMATIC);
// Define pin and NeoPixel configuration for Photon 2
#if (PLATFORM_ID == 32)
#define NEOPIXEL_PIN SPI // Use MOSI for Photon 2
#else
#define NEOPIXEL_PIN D3 // Use D3 for other Particle devices
#endif
#define NUM_PIXELS 8 // Number of LEDs in the NeoPixel strip
#define PIXEL_TYPE WS2812B // Specify the NeoPixel type
// Pressure sensor pin
#define PRESSURE_PIN A0
// Create a NeoPixel object
Adafruit_NeoPixel strip(NUM_PIXELS, NEOPIXEL_PIN, PIXEL_TYPE);
void setup() {
strip.begin(); // Initialize NeoPixel strip
strip.show(); // Turn off all LEDs initially
Serial.begin(9600); // Debugging
// Subscribe to events from the Particle Cloud
Particle.subscribe("weatherEvent", weatherEventHandler);
}
// Function prototypes for weather effects
void thunderEffect();
void rainEffect();
void cloudyEffect();
void sunnyEffect();
// Function to publish weather events
void publishWeatherEvent(const char* eventName) {
String event = String("weatherEvent/") + eventName;
Particle.publish(event); // Publish the event with the prefix
weatherEventHandler(event.c_str(), ""); // Call event handler immediately
}
// Particle event handler
void weatherEventHandler(const char* event, const char* data) {
String eventString = String(event);
if (eventString == "weatherEvent/sunny") {
sunnyEffect(); // Call sunny effect function
}
else if (eventString == "weatherEvent/cloudy") {
cloudyEffect(); // Call cloudy effect function
}
else if (eventString == "weatherEvent/rainy") {
rainEffect(); // Call rainy effect function
}
else if (eventString == "weatherEvent/thunder") {
thunderEffect(); // Call thunder effect function
}
}
void loop() {
// Read the pressure sensor value
int pressure = analogRead(PRESSURE_PIN);
Serial.println(pressure); // Debugging the sensor value
// Determine weather event based on pressure level
if (pressure > 3600) {
publishWeatherEvent("thunder");
} else if (pressure > 2700) {
publishWeatherEvent("rainy");
} else if (pressure > 1800) {
publishWeatherEvent("cloudy");
} else if (pressure > 900) {
publishWeatherEvent("sunny");
} else {
strip.clear(); // Turn off LEDs when pressure is too low
strip.show();
}
}
// Thunder: Blue and yellow flash
void thunderEffect() {
for (int i = 0; i < NUM_PIXELS; i++) {
strip.clear();
if (i % 2 == 0) {
strip.setPixelColor(i, strip.Color(0, 0, 128)); // Dim blue
} else {
strip.setPixelColor(i, strip.Color(128, 128, 0)); // Dim yellow
}
strip.show();
delay(50);
}
strip.clear();
strip.show();
}
// Rain: Light dim blue light
void rainEffect() {
for (int i = 0; i < NUM_PIXELS; i++) {
strip.clear();
strip.setPixelColor(i, strip.Color(0, 0, 128)); // Dim blue
strip.show();
delay(100);
}
}
// Cloudy: Dim violet/lavender light
void cloudyEffect() {
static int brightness = 0;
static int direction = 5;
brightness += direction;
if (brightness >= 100 || brightness <= 0) {
direction = -direction;
}
uint32_t color = strip.Color(75 + brightness, 50 + brightness, 150 + brightness); // Dim lavender/violet
for (int i = 0; i < NUM_PIXELS; i++) {
strip.setPixelColor(i, color);
}
strip.show();
delay(50);
}
// Sunny: Warm orange light
void sunnyEffect() {
static int brightness = 0;
static int direction = 5;
brightness += direction;
if (brightness >= 255 || brightness <= 50) {
direction = -direction;
}
uint32_t color = strip.Color(255, 140, 0); // Warm orange
for (int i = 0; i < NUM_PIXELS; i++) {
strip.setPixelColor(i, color);
}
strip.show();
delay(50);
}
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