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that led trick is genius

should I have voltage at D+ and D- when powered on and USB plugged in?

Try what phi1 said above about grounding pin 13 to ground. This will use the FV stock programs. It takes the eeprom out of play

Unfortunately not

It does and I am not getting anything which is why I am looking at the hardware. I’m getting continuity where I should but D+ and D- are zero volts at ch341. Makes me think that is the issue. I do get continuity on D+ and D- between USB and ch341 though

so im working on getting this connected. Pedal works fine and I can program with a 3rd party eeprom programmer so im thinking I have some hardware issue. Right now when I have plugged in to USB and powered on I am not seeing any voltages on USB_D+/D- measured on the ch341a. should I expect...

Anyone using SpinCAD on MAC? I have it up and running but am unable to open any downloaded spcd files. I can create my own but really want to dig into some others have created.

So I was able to find an old windows machine on the attic and it programmed the eeprom! I guess my Mac just wasn’t working. Still can’t do it directly to the Dev board but at least I know what to track down and that the pedal works

Unfortunately I don’t. I have been thinking about getting a pre programmed eeprom to test. In the meantime is there a way to test the eeprom I have even though it says the bin file has transferred and verified?

The eeprom I bought was blank I mean that the programmer I bought worked right away vs the one on the Dev board

So I have built the FV-1 Dev board. Was having some issues getting the eeprom programmed so I gave up using the pedal for that and purchased one of these. It worked right away and was able to program a test program successfully. However I am only getting sound out of pin 28 from the Fv-1 when...

so the "ch341eeprom -s 24c32 -r <filename.bin>" command is working now but throwing an error that "Couldnt configure USB device with vendor ID: 1a86 product ID: 5512". Is that a component issue/driver?

Thanks I guess I thought that I would use the read/write commands from here...still learning! http://wiki.pedalpcb.com/wiki/Using_the_FV1Dev_on_Apple_macOS

How exactly is this used, when attempting to run the command via terminal I end up with "ch341eeprom: command not found"

thanks this is exactly what I was looking for!!

I'm sure the template is correct and im not worried about how to use it. should have been more specific with my question - im looking to design artwork so knowing the dimensions/positions of everything is very helpful

Is there a file with the dimensions for the Glory Hole? I have checked Tayda but just see the regular 3 hole. I am assuming to replace the LED position with the switch so I guess I just need the position of the LED on the Glory Hole.