Particle Electron: 1 year of temperature monitor data

[ScruffR]

I see you want to continue the discussion in the other thread.
Is this the reason for not answering any of the questions I asked?

Millis() and rollover tutorial

why 1000? so for all the negative numbers will be 1000? what would happen in the second, third…loop (all will be negative, so all will be 1000)? so it would not reach the interval time? I want to run my code for 12 months, will it work? #define publish_cycle 30000 unsigned long lastPublish = 0; int led = D7; double reading = 0.0; double mvolts = 0.0; double tempC = 0.0; double tempF = 0.0; boolean flag = false; double readingl=0.0; void setup() { pinMode(led,OUTPUT); Particle.keepA…