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neilh20 replied to the topic How to dump contents of file on SD card to serial in the forum Mayfly Data Logger 3 years, 4 months ago
Hi I’ve been thinking/working on something slightly similar when @ensign posted above.
BTW I found the github.com/ScottEnsign/SDoutput hasn’t got the actual code, I think it probably needs a “git push” to send the code up.
Seems to me the issue with the @selbig original post #15641 above, is that the SD card is initialized in Logger, so S…[Read more]
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Scott Ensign replied to the topic How to dump contents of file on SD card to serial in the forum Mayfly Data Logger 3 years, 5 months ago
Hi @Selbig. Here is a very simple sketch that prints a file from the microSD card to the serial monitor. It might be too rudimentary for your purposes, but thought I would share it here. Notice the line “// SD.remove(“datalog.txt”);” is commented out. Uncomment this line to DELETE the file specified instead of printing it to the serial monitor. I…[Read more]
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neilh20 replied to the topic Transfer file from SD card to iOS/Android via bluetooth in the forum Infrastructure and Equipment 3 years, 10 months ago
@selbig Wow thanks for sharing that. I’ve been thinking about BT for some time… and hadn’t seen how far it has come. There is also Blue Tooth Commander App for Android – so good for all types.
I’m just wondering how you are powering it.?
On powering, I’m really looking that it needs to be able to use low power, and then turn on when the C…[Read more]
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neilh20 replied to the topic Transfer file from SD card to iOS/Android via bluetooth in the forum Infrastructure and Equipment 3 years, 10 months ago
Hi @selbig an interesting idea.
I’ve been thinking about unattended access (of just equipment monitoring) and BT (low power) would be pretty nice. However as you are seeing there is a lot of complexity and some history with BT protocol versions that makes a simple concept a bit challenging. Sounds like for some reason BT is not associating with…[Read more]