Need hardware advice: ULN2003A

[sayzer]

Hi,

@Sayzer:

The use of a parallel connection was your suggestion.
Why use a parallel connection when the current of the relay coil is 77mA?

My advice is:

There is no need for a parallel connection.
Do not use a parallel connections with this IC.

* * * * * * * * *

For sure, from now on, I will not suggest parallel connection.
In fact, I wonder what benefit it has; why is it there? Lets leave it to the engineer who designed it.