AUTOMATIC GARDENING SYSTEM WITH NODEMCU AND BLYNK

Projects General Guidance
1

is there someone how can help me please I find a negative value on the soil moiture sensor is there any solution

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2

is there any solution

Write proper code.

If you need help, you REALLY need to understand the phrase "POST YOUR CODE".

3

Did you read this thread?
http://forum.arduino.cc/index.php/topic,148850.0.html

Using all capital letters is yelling at us.