@ zoomx
Testing your 08:54 am modifications.
NTP timestamp is wrong in "LOG.TXT" on Sketch startup, if NTP packet is dropped, or has not been received yet. Interval that "ThingSpeak.com" uses is affected in that with no fifteen minute interval data is not sent. No logtoSD function logging occurs when no fifthteen minute interval occurs.
This why I use a real real time clock. RTC are readily available online at low cost.
Real Time Clock is needed.
William
