VFE Mini Mu

[pedalbob]

I also noticed that in your build document you show the non-latching relay and single jumper ... I used the latching relay and 2 jumpers in my 3 builds.
Has anyone had success with the latching relay ?   

[pedalbob]

All out of things I could come up with to try ... and lack of suggestions from others ... so I finally brute forced this.  Ditched the VFE power supply/switching board and wired up a road rage to get the +9/-9 v.

Works great now 

3 VFE boards, components & shipping $40.00, Many hours of time and frustration $$$, roadrage board and components $7.50 ... pedal that finally works .... Priceless

I have some non-latching relays that I didn't use ... if I get bored maybe I'll try one of these on one of the 3 relay boards that won't switch to bypass ... or maybe I'll just stick to 3PDT from now on ... always was more of an analog guy 

[jimilee]

That was a pretty smart idea. Congratulations on getting it going.


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[pedalbob]

Here is a picture before I box it up again ...

[pedalbob]

 Not sure why my pictures don't upload now ...

Further update and last one by me on this thread ...

I replaced the latching relay with a non-latching relay on one of the boards along with swapping the jumpers to corresponding ones per build instructions and voila it works now as advertised !!

If I hadn't built 3 of these with 3 Panasonic Latching relays I bought from Mouser I may have suspected my original latching relay ...

My only conclusion from this whole exercise is that the circuit for the latching relays is NG *&*%$

Any one else building these go with the non-latching relays.

[jimilee]

Yep, with all my VFE builds.


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[gordo]

So is the non-latching function of the bypass board a no-go?  Brian is very thorough with this stuff, but you blew thru two boards, correct?

[pedalbob]

Yes I built 3 switching boards all with latching relays and they all did the same thing ... passed clean signal on initial power up and then when I switched to effect the 1st time it would never pass clean signal after that ...

Changed relay (and jumper) on one of the boards to non-latching and it works fine ... so I still have two that don't work and it is a royal pia to de-solder the 8 pin relay ...