GPS and sensor data logger only works when connected to serial connection

Projects Programming

Topic		Replies	Views	Activity
Itead GPS for Arduino , HELP! Programming	11	4147	May 5, 2021
[SOLVED] Problem data logging with TinyGPS++ and SdFat Storage	35	19715	May 6, 2021
Serial Data Logger to SD card Exhibition	13	19535	May 6, 2021
GPS Datenlogger Deutsch	24	4836	May 6, 2021
Issues with data-logging multiple sensors Programming	7	4954	May 5, 2021