Particle Photon - Grove Dust Sensor - receiving log = "No data available" in the console

[Roboneedshelp]

https://go.particle.io/shared_apps/60b0050b9f3fb40017ff0a3d

please help me solve the log = “No data available”, I want it to recognize the data and give me readings.

[dreamER]

Please do not double the posts !!!

Particle Photon - Grove Dust Sensor -> receiving No data available in the console. Need Help Urgently!

[df] [123] I need to know why my code is keep showing log = No data available ? How do i make it actually sense the dust and give me a reading for it? What change do i need for the code? Please give me help/suggestion.

potential solution for PPD42NS Grove Dust Sensor is already here:

Particle Photon - Grove Dust Sensor -> receiving No data available in the console. Need Help Urgently!

try this: #include "Particle.h" #include <math.h> int pin = D1; unsigned long duration; unsigned long starttime; unsigned long sampletime_ms = 30000;//sampe 30s ; unsigned long lowpulseoccupancy = 0; float ratio = 0; float concentration = 0; void setup() { Serial.begin(9600); pinMode(pin,INPUT); starttime = millis();//get the current time; } void loop() { duration = pulseIn(pin, LOW); lowpulseoccupancy = lowpulseoccupancy+duration; if ((millis()-starttime) > sam…