Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of Home › Forums › Mayfly Data Logger › Low Cost EC sensor Station upgrade › Reply To: Low Cost EC sensor Station upgrade
2020-07-23 at 10:15 PM
#14381
Thanks. I am using the FTDI port and wiggled some plugs, etc and now is loading ok. I assume when I was getting that error the mayfly was plugged in and turned on because when I attempt to load wi
Thanks. I am using the FTDI port and wiggled some plugs, etc and now is loading ok. I assume when I was getting that error the mayfly was plugged in and turned on because when I attempt to load with the pwr switch turned off I get the following error:
Uploading .pio\build\mayfly\firmware.hex
avrdude: ser_open(): can’t open device “\\.\COM4”: Access is denied.
avrdude done. Thank you.
*** [upload] Error 1
I guess a bad connection somewhere.
