Congratulations on making your first robot! But did you notice one problem? The robot we made was continuously looking for a moisture value and, as soon as it noticed that the moisture value was low, it suddenly pumped water and made sure that the humidity of the soil was always more than 20%. However, this is not required. In general, we water the garden once or twice a day. If we water it more then it might not be good for the plants.
So, let's go ahead and make it slightly more intelligent and make it water the plants only when the moisture level is low at a certain time. This time, we won't need to make any changes to the hardware; we simply need to tweak the code.
Let's go ahead and upload the following code, ...
