I am developing a project to measure time and maximum current of a Residual Circuit Breaker, I have already made the purchase of all the materials and now I am having difficulties in programming.
Can you give me that help?
You need to start a new topic in the General Electronics section and post a list of materials and the programming you've done 
@Daniloccq2017, please do not hijack. Thread split.
The correct Acronym is either RCD (Residual Current Device) or RCCB (Residual Current Circuit Breaker). It is triggered when there is a very small difference between the current flowing in the line and neutral wires.
What exactly are you trying to measure?
...R
I have already made the purchase of all the material
So kind of you to supply links to all the parts and a diagram showing how you have wired it up. That makes it so much easier to give us help.
What! Why have you now deleted these links?
Hi,
If you have purchased the parts, you must have an idea of how you are going to measure the current and trip time of the RCD.
Can you supply a diagram of how you intend to go about it, so we can help you develop your code?
Can you tell us your electronics, programming, Arduino, hardware experience?
Thanks.. Tom....