Re: The perfboards

Rob <roomberg@...>
 

It fooled me.

But then again... I have a vision problem. A really bad vision problem.

So I examine everything with 7 diopter glasses.

I looked at the CHOC board and saw GREEN in between SILVER  squares.

Never for a moment considering that rows of silver were shorted together.




so
I ask the question WHY?
Why not have ALL those pads be visibly connected like in this image I edited to show it:



I definitely agree that is a good design to have the multiple rows of perimeter
and the internal groupings.

I have done almost the same exact thing with my proto PCB I kitchen etched.


 

I often have extra proto pads I add to PCBs in  groups of three.
Looks like an alien army.






On 05/28/2019 11:05 PM, Adam Rong wrote:
Rob,

I don’t get it. It is not hidden layer. It is just covered by solder mask. The interconnection is shown on the silkscreen printing on the top over layer.

Thanks,
Adam

在 2019年5月29日,上午8:48,Rob via Groups.Io <roomberg@...> 写道:

Welllllll  ....yes... its official.... I am not qualified to operate this appliance.



I had some Choc Perf Board here that I thought would be good for experimenting with
rotary encoders.

Seemed simple enough.
I had snapped them apart and was playing with just one  of them
and I saw what looked to me like 8 completely isolated pads ....what you see here in the GREEN circle.

Boy was I wrong.
I had soldered a 3 lead rotary encoder into the purple marked pads and added 3 yellow wires to play with GROUND and A and B in the
rotary encoder example sketches.
This failed to get the desired results and kicked this for 2 weeks.... using various encoders......
and then yesterday I used an ohmmeter to figure where I might be shorting out my soldering.
And then found there is a sandwiched layer where the RED and BLUE are.

I don't get it.......
why the hidden layer?
Why not have the traces all connected on the solder side of the board where you can see it?

73 Rob KB3BYT



On 05/28/2019 02:39 PM, Jack Margolis wrote:
Adam.

I like perfboards but have never seen one like the one you used to build your DSB FTB rig.
Any clue on how to find one like that?


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