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Posts
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Alasdair Moon last won the day on July 8 2020
Alasdair Moon had the most liked content!
About Alasdair Moon
- Birthday 11/06/1971
Contact Methods
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Website URL
http://ardvinnamodular.blogspot.be
Profile Information
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Gender
Male
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Location
Herbesthal - Belgium
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Interests
Analogue Synths - DIY
Alasdair Moon's Achievements

MIDIbox Addict (2/4)
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Hi Justin, I build mine with a simple rectangular box, but .. I shortly started to notice, that some angeled sidepanels suit me better .. much easier to handle that way .. but it all depends on where you install your MBseq ..
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Perfect ... new Controllerboard for the Sequencer .. and I take the old one for other projects ;)
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@Hawkeye .. now this is good news :D
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@FantomXR ... 26 Weeks delivery .. autsch ...
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STM32F407G Mouser => availability .. ZERO, since some months Didigey => availability .. ZERO .. since some months Conrad .. ZERO WattenRott .. ZERO I hope we still find some or the next generation of the boards soon ..
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Now this iiiiis cool, @TAG do you have more buildocs or some of the code you used for this project?
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@bemerritt .... nice idea to check the board too ... I will do it this weekend (the big fun of debugging ) ... new AOUT_NG Board ordered yesterday, now I still need that nice little TLV .. again .... :D Core schematics of the STM32F4 Core say, that J19 is connected to IC1 ( 74HCT541 legs 15-18) and PB4 of the STM32F4Discovery (which took quit a while to find) http://www.ucapps.de/mbhp/mbhp_core_stm32f4.pdf
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Do you use a Linedriver or connect directly to the Core? If you use a Linedriver, try connecting the J19 of the receiver to J19 of the board OR connect directly from the board J19 to J1 of the AOUT_NG (with the special cable)
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O.k., a little update on the AOUT_CV. I desoldered the TLV today, reconnected the board and did some measuring on the SMDpads to see if there are other errors. All OUT's except OUTB and OUTG have -13.78 Volts ???? OUTB and OUTG have 0.13Volts ... J1 Pin5 (SC) has connections to pads 1-2 and 3 of the SMD-field. I know shit can happen and I know my soldering is not always perfect, but if there was no production-fault on my AOUT_NG board (which can alway happen) there is one now ..... So .. restarting at zero ... buying a new AOUT_NG board and all new components .... savest way
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Is it possible to record 16 tracks at the same time?
Alasdair Moon replied to mfk's topic in MIDIbox SEQ
You could make a midi-dump from your electribe and then import it to your Midibox. http://www.ucapps.de/midibox_seq_manual_in.html -
You will need a pic-burner .... there are some, not that expensive via amazon. I got a wingoneer and it worked just fine.
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I connected the AOUT via the Linedriver to see what happens Results from the testaoutpin via mios terminal J1 of AOUT_NG between Pin 1 and Pin 2 I have 4.8 Volt testaoutpin cs 0 => pin 3 => 0,13 V testaoutpin cs 1 => pin 3 => 3,67 V testaoutpin si 0 => pin 4 => 0,13 V testaoutpin si 1 => pin 4 => 3,66 V testaoutpin sc 0 => pin 5 => 0,13 V testaoutpin sc 1 => pin 5 => 3,64 V so all seems like it should be BUT ... PIN 13 (OUTB) of the TLV5630 gives 2,16V permanently .... so ... solderissue there ... somewhere ... or TLV damaged like latigid_on said ..... so, luckily I have to place another mouser order next days ... wheeeee ....
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JAOUT is connected to J1 I removed the ICs, but with or without ... same results ...
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Receiver PCB JAOUT to AOUT_NG J direct 1:1 soldered .... Pin1 and Pin measure correct 5V on J1 I also tested without Printercable and connected J19 of the STM32F4 board directly to J19 of the receiverboard .... JAOUT of receiver_board and J1_AOUT_NG stay connected ( I didn't want to desolder everything to test it with the special-cable you describe in the AOUT-Wiki)