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Yes that's the firmware I'm running

I loaded the session and I can confirm it does the same on my SeqV4+. The open hat sound plays at the end of pattern A1 and doesn't play where it's supposed to at the end of pattern A2.

Seq V4 for sale $600 usd. Midibox SeqV4. in great condition. STM32F4 core. It has 2 IN, 6 midi OUT and 4 midi IN & OUT on the USB (when used on a Mac). It has the OTG mod, a USB type A port to hook up controllers in host mode. Updating can still be done by switching to device mode. Modified power section to accomodate the updated core. Ultimate dawless!.

Thanks for the add to the trusted builders program, I am looking forward to advancing the Midibox love in Canada/North America. Safe safe and keep those soldering irons warm..

Thanks!...DIY rocks.....:)

Another successful build. Thanks to all involved for such a great design and realization of this sequencer. I followed the build videos and that kept me on track. The only problem I had was of my own doing, mixing up the resistor networks then getting erratic output on the first seq_l test. Hot air and swapping the resistor networks around fixed this. Thanks to @Antichambre for those great looking keycaps too. Looking forward to more great things from the Midibox team. Edit: I did have the odd inversion of colors on the beat LED, I had red on measure green on beat, a change of values in the config file HWCFG fixed that.

Fixed, by swapping the values in the HWCFG. Now to button up and take some pics. Thanks Andy.

My V4+ is almost built but I have 1 small problem. The mighty beat LED colors are inverted, green on the beat, red on the measure. Checked the RJ9 resistors, they are all ok, looked in config, I have no idea why this is happening. Help!

So that's what you had in mind. I used the core and had a go in Eagle for the first time to make some additional PCB's to go with it, and eventually produced an NG Box for code practise.. Thanks

You need to assign them to new numbers, the old SeqV4 ones won't work, see Andy's reply to the same question half way down this page Link

I don't know if this has any relevance to your project but thought you might like to see it Hardware Goom

I’m sold, .put me on the list

Thanks for all you do TK. I'm hoping the fonts get bigger!

I made a display addon for this minimal core. This was my first attempt at Eagle and while the resulting PCB had a few errors I was able to kludge the first version and get it working. The display addon snaps into the original minimal core board with standard .100" male/female headers. I also made a reduced Midi I/O with a thru section using TRS jacks, (thanks Andy for the footprint) this also works well. My goal is a small scale SCS box to run a small synth switcher/routing unit. I will upload the files when I've time to fix the errors. @Fantom XR thanks for the core board and inspiration.