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Posts posted by Shuriken
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No, there is no problem if you leave it.
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You can buy the pcb at:
For parts you can try reichelt, musikding, banzaimusic.
The only tricky part is the OPL3 chipset. You can try on ebay. Maybe someone has a trusted source?
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Nice find. Curious what the sample quality is. But it's probably not that great with just 4Mbit of ROM. Love to hear a demo when you get it :wink:
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There was a buyorder a couple of years ago. Not sure where to get one now.
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As a general rule of thumb; when a component is broken, it's better to use the wire cutter method as Peter described. It's much easier that way to get components out without damaging the pcb.
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Look at the example on the wiki: http://www.ucapps.de/midibox_sid/mbsid_aout_interconnections.pdf
The correct names are there, just use J19 in case of the LPC17.
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My suggestion would be:
- check the interconnection between baseboard and CS with multimeter
- check correct placing of resistor networks
- check soldering of the 74HC165 sockets
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This was bound to happen after all the metal Shruthi enclosures :wink: Looks good man!
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Great you found a good switching psu solution. The enclosure with the frontpanel looks nice.
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I have a MB FM and have been pondering about the same thing. It should be possible to make a sammich interface which fits an 1U panel.
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Apparently somebody started with the SID Emu:http://www.xcore.com/projects/sid-emulator-startkit
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Enjoyed your song and the copter footage :w00t:
Offtopic: I did buy a Mobius hd. So far only used it for some sky footage :wink:
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Nice eptheca. Love to hear a demo with the filters. As you may remember i have one filter board here too :wink:
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I had a similar problem. Updated the bootloader on my Seq4L after that no ports were available in MIOS Studio. I fixed it by removing the usb midi driver completely.
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The LPC17 Documentation says:
J4A IIC port. Interface to BankSticks or to MBHP_IIC_* modules like MBHP_IIC_MIDI.J4B A second IIC port, which can also be used as an additional MIDI IN/OUT port (MIDI IN4/OUT4) if enabled in MIOS32 (add "#define MIOS32_UART_NUM 4" to the mios32_config.h file).
MIDI IN4 will be available on the J4B.SC. If a 6N138 based optocoupler circuit should be connected, replace the 2.2k pull-up R10 by 1k, or add a second 2.2k in parallel to get 1.1k effectively.
MIDI OUT4 will be available on the J4B.SD pin, it isn't required to remove R9 if already soldered - it doesn't hurt.So either J4A or if that one in use then you can use J4B.
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You could do that. Beware that it runs under CygWin. So you still have to do linux commands. Might be cheaper and more flexible to make a virtual machine with Ubuntu 12.04. There are a lot of tutorials available.
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I've just started using Raspberry Pi and am wondering how feasible it is to compile MIOS Studio for this platform?
Of course it would need a serial port driver to work with the Pi's built in UART.
It would work with Hairless Midi Serial Bridge (which works great with MIOS Studio, btw) but there's the same issue: it needs to be built for the ARM platform and has various dependencies that make the prospect of a successful build seem a bit daunting.
I'm not that experienced with Linux so I thought I'd ask for advice.
You should be able to build MIOS Studio for Pi. Not sure about the Midi Bridge. But there seems to be a sourcecode for linux.
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I am sure that someone is willing to help. But it might be handy to reveal your location :wink:
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I found the code googling a bit. Take me a bit of effort to get it working. I think there is a plugin for IPB so that it is possible todo it the easy way.
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J2: When used as +5V input: for supplying the core from an external stabilized Power Supply Unit (PSU). The voltage regulator (IC6) doesn't need to be connected, also the rest of the voltage stabilization circuit between J1 and J2 (X1, C8, C9) can be left out. If the core module (and all connected modules to this branch) drains more than 100 mA, it's recommended to mount C8 directly to J2 (a small cable between the outer soldering pads of the left-out 7805 will do this).
So you need to apply the voltage to J2 and not J1. J1 is directly connected to X1, so it does make sense that you don't get any power up. Also you do not need to remove components. You could have just left them as is. It only states you can leave them out (to save on components).
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Yes there certainly is: and it is looking very cool indeed
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Theoretically it is possible to connect both AOUT_NG and QUAD IIC. The big question is what application are you going to run on the LPC17 for this? MB CV is PIC_Core and MB CV V2 is still in progress and the new STM32F4 is highly recommended for this.
Looking at http://www.ucapps.de/midibox_cv_v2.html the DOUT option is available.
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Here we go again:
- JohnesMl
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I think you have two options psu wise either you go the sammichsid route, or go with a switching solution.
Test tone upload
in Testing/Troubleshooting
Posted
Damaging the PIC should not be possible through the MIDI IN. The 6N13x Optocoupler is there to prevent this scenario. Inside the IC there is an optical connection, this way there is no direct electrical connection.