Since mains power is involved I want to make sure that sufficient strain relief is applied to the power cable by routing the cable through holes in the PCB material.
The explanation of how to do it is contained on the silk screen of the PCB.
Please take a look and tell if the drawing is clear enough to be understood well.
Having read the post first, before looking at the image, it makes sense.
However, just looking at the silk screen without referring to any other instructions, would probably be unclear.
Since this is part of a kit, perhaps some form of large/bold warning message on the first page of the assembly instructions would be advisable. The reason? Because that's where some people building kits will skip to, regardless of any previous content.
It's only when things don't work as expected, that the entire manual is read from cover to cover.
It is not. Maybe draw a little silk-screen cross section of the board with solid wire curves above the board and dotted wire curves below the board to help inducate what's supposed to be going on and what dotted lines mean what, and to have the the curves be S-shaped to show the weaving above and below the board.
EDIT: I just realized you did something like that, but you used a solid-lineson your cross section whereas you used dotted and solid lines on your overhead view. They did not register in my head as the same thing. Another reason they did not register is because the lines between overhead and cross section are of different widths.
The holes for the cable only allow cable diameters of max 2.5mm and I imagined drawing the cable that thick the PCB layout would look too bulky.
However I guess it looks pretty good.
Dotted lines are used in machine drawings to indicate an invisible edge or line of a part (in this case top view of the board with the cable being routed underneath partly).
Dk, the top "illustration" is the side view and therefor all lines, including the cable are solid, because they are visible from that view. Of course the holes are not visible and normally should be made using dotted lines.
Anyway I guess the holes will be recognized as such. (hopefully)
I think it would be helpful if you showed the solder connection on the top diagram to make it clearer that it's the cable that will be soldered into the final connection on the right. I think it would be easier to make the connection, then.
Still, it's pretty good as is.
This thread should probably be in 'Projects' rather than ****-Chat.
WHy would you strip the wire and solder it to the strain relief holes? WOuldn't that defeat the purpose of weaving it through two holes (rather than one) in the first place?
Haha. Ya, strip the wire for the clamp, not for the holes. The wire looks like it still has insulation even in the screw terminal. I totally missed that.
Haha. Ya, strip the wire for the clamp, not for the holes. The wire looks like it still has insulation even in the screw terminal. I totally missed that.