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Results tagged with temperature-sensor
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user 48562
A component which measures heat.
1
vote
Use 2 DHT22 AND PASS THE DATA TO SD Error File data does not exsist
Here are several things I can see from your code that cause most of the error messages.
1) You declare
File data_txt;
File data2_txt;
but you later use data_file and data_file2. This is why you se …
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