Spin Semiconductor

thanks for the reply Frank, your info helps. I also read up some more on biasing so I should be able to figure this all out.

Steve.

Howdy all, I'm a little confused. (Nothing new). I'm wanting to incorporate a SKRM module into a line level project but I'm getting a little lost. Correct me if I am wrong but the mixer applications on the Spin web site ie: 3k , 16_24, don't have any biasing for the audio whereas the schematics for ...

Thanks Frank. I did suspect the pull down might be the issue.

Thanks micahvdm. That is the other schematic I have shown which as you point out comes from the etap2.

Problem solved I'd say !

Cheers,

Steve

Had another chance to attempt a fix on this issue. I've attached my schematic for the Arduino controller side of things. I simply attach the shown schematic directly to S0, S1 and S2. While I was at it I breadboarded the schematic that the guy who created the eTap2 universal hardware controller used...

Sorry Frank, I meant to add "I presumed my pcb was fine but I'll have to check it for any shorts first." at the end of my last message.

Seems to be something else causing this problem. With the resistor divider not connected to the SKRM I get 3.3v but when connected I get 1.99V ?

Yep. There's the problem. Only measuring 1.98V at the S0, S1 and S2 pins on the SKRM module.

Is this due to the 10k pulldown resistor on the SKRM ?

I know this is outside of the forums purpose but what would be the solution to this ?

Thanks,

Steve

Hi, I've made a nice effects unit which contains a SKRM-ETAP2 module. I am using an Arduino Nano micro to control the program select. The problem is that the program on the SKRM module doesn't change every time I change the program on the Arduino. It changes some times but not others. I have 3 digit...

Thanks Frank. These are wonderful units !

Thank you both for the information. I believe I am experienced enough to reprogram these boards. I do have 6 of them so if I manage to destroy one I am not overly concerned, just annoyed. I mainly wanted to be able to download the programs and restore them. I'm not trying to reverse engineer at all....

Hi all, I am newbie to these devices. I purchase several of the SKRM-C8 modules earlier in the year with the plan to make up a few different effects units for my music studio and have only got back to looking at their use. I have several questions now that I've had a look around this forum. 1) I am ...