====== EuroRack - Midi IO - Board ====== {{:phatline:Euro_Midi_IO_3D_Draft.jpg?600|}}\\ {{:phatline:Euro_Midi_IO_Panel.jpg?900|}}\\ **PCB Size is 100x40mm**\\ {{:phatline:Euro_Midi_IO_3D_FRONT.jpg?900|}}\\ {{:phatline:Euro_Midi_IO_3D_FRONT180.jpg?900|}}\\ {{:phatline:Euro_Midi_IO_3D_TOP.jpg?900|}}\\ {{:phatline:Euro_Midi_IO_3D_BACK.jpg?900|}}\\ {{:phatline:EURO_Midi_IO_Shematic.jpg?900|}}\\ FIXME - The Connection from J1 to J2 is wrong - its 1:1 but it has to be crossed.\\ ====== Hardware Requirements ====== * Soldering Iron - with a Dip that can Handle Thruhole-Parts and 1206 SMDs, solder Paste...\\ * The other Parts from the BOM\\ * a Midibox Core32 ====== Building and BOM====== All necessery Information is printet on the PCB, but also check the {{:phatline:EURO_Midi_IO_Shematic.pdf?900|Shematic}}\\ **Mouser:**\\ ^Ref^Q^mouser^Type^Footprint^Description^ |AB1 - AB6|1|649-1012938192001BLF |2x20 Pin Header|2x3 Pin Header 2.54 * 2.54 Pitch|to set Midi A-B Standard| |Jumper|12|571-8815451 |JUMPER|Jumper|to set Midi A-B Standard| |C1 – C4|4|187-CL31B104KBCNNND |100nF unolarized|1206 inch - 3216 metric|Unpolarized! > 10V| |C5 – C6|2|963-TMK316AB7106KLHT|10uF unpolarized|1206 inch - 3216 metric|Unpolarized! > 10V| |D1 – D4|4|241-1N4148W_R1_00001 |1N4148W|SOD123-DIODE|doesnt draw much current| |J1 – J2|2|571-12150790 |TE Connnectivity|2x5P Micromatch Female|To solder in the PCB| |J1 – J2|4|571-1-2178712-0|TE Connnectivity|2x5P Micromatch Male|Crimp Connector for Flat-Cables| |J3 – J8|6|490-SJ1-3535NG |CUI 3.5mm Audio Jack|3.5mm Jack|those you know from PC-Mobos| |LED1 – LED2|2|696-SSL-LX30FT4ID |LED ROT|LED_3mm|there are 8 LEDs you use only 4…| |LED3 – LED4|2|696-SSL-LX30FT4GD |LED GRÜN|LED_3mm|… front or back soldered| |R1 - R14|14|RC1206FR-07220RL|220|1206 inch - 3216 metric|5 10% doesnt matter| |R15 – R18|4|CR1206-JW-472ELF |4K7|1206 inch - 3216 metric|5 10% doesnt matter| |R19 - R20 |2|AC1206FR-071KL |1K|1206 inch - 3216 metric|5 10% doesnt matter| |U1 - U2|2|630-6N138-000E|6N138|DIP-8|Optocoupler| |U1 - U2|2|437-1108730441001101|IC Socket 2x 4 Pin|DIP-8|Socket for Optocoupler| |U3|1|771-74HC14D-T|74HC14|SOIC-14|SOLDER SKILLs| |Cable|1|617-09180407001|Flat||a quantity forEver| \\ **copy following Lines [[https://www.mouser.com/tools/part-list-import.aspx|in the box]] - and make a new project**\\ 649-1012938192001BLF|1\\ 571-8815451|12\\ 187-CL31B104KBCNNND|4\\ 963-TMK316AB7106KLHT|2\\ 241-1N4148W_R1_00001|4\\ 571-12150790|2\\ 571-1-2178712-0|4\\ 490-SJ1-3535NG|6\\ 696-SSL-LX30FT4ID|2\\ 696-SSL-LX30FT4GD|2\\ RC1206FR-07220RL|14\\ CR1206-JW-472ELF|4\\ AC1206FR-071KL|2\\ 630-6N138-000E|2\\ 437-1108730441001101|2\\ 771-74HC14D-T|1\\ 617-09180407001|1\\ \\ then decide **how often you want to order all off, the BOM Quantity is for 1Module**\\ On one PCB you have 2 ident MidiIO-Modules, on JLCPCB you order typicaly 5 PCB, so your quantity may be 10x\\ BUT dont buy multiple Flatbandcables... these are hundrets of meter!\\ **1 times: 45€** 25€ parts and 20€ shipping...shipping excl fat\\ if you go over 50€ shipping is free.\\ lets take a look if we order it\\ **5 times: 95€** incl free shipping excl fat\\ **10times:176€** incl free shipping excl fat\\ 4x (or 20x) [[https://www.buerklin.com/de/Montageblock/p/17H917|Leiterplatten Montageblock aka Standoffs]] 100x summed 30€\\ You will also need M3 Screws - 2 off them...\\ Also here it is clever to order 100 pieces for a cheaper price - you will need this on all my projects...\\ ====== PCB ====== {{:phatline:Midi-IO-b-Gerber.zip?900|GERBER-Files Rev B for Production}}\\ I already received and testet Rev A, i hade some small Bugs which i got fixed with some wires...\\ So i got it fully working... the Bugfixes are includet in Rev.B\\ ---never the less i did not testet Rev.B... since i have enough Rev.A for my whole Modular-Rack @ home\\ so feel free to test - and report!\\ {{:phatline:EURO_Midi_IO_Board.jpg?900|}}\\ FIXME - dont use this - because of J1-J2 connection is wrong (this matter if you chain 2 Midi-IO-Modules\\ ====== Frontpanel====== {{:phatline:Euro_Midi_IO_Panel-Dimensions.jpg?900|}}\\ **I made a {{:phatline:EuroMidiIO-Panel-for-milling.zip?900|DXF}}File which you can print, and drill it DIY or \\ you can send to:**\\ [[https://shop.frontpanels.de/custom-panels|frontpanels.de in germany]] 17,08€ a panel (5x-10%, 10x-20%, 20x-30%, 30x-40%, 100x-50%)\\ I tested one with them - and yes they looking good - and they fit!:\\ \\ another good guy: [[https://thebeast.co.uk/2d/|The Beast - UK]]\\ \\ **Recommend Material**\\ 2mm x 128.5 x 17.78 Aluminium, anodised\\ \\ **A cheaper way is: order a 1,6mm thick Aluminium PCB as Frontpanel:**\\ this are the gerbers:\\ {{:phatline:GERBER-EURO_MidiIO_FP.zip?900|}}\\ I have testet it, and this 1.6mm Aluminium from JLCPCB is too thin, i endet up by sandwith 2 off them togehter - so its strong enough, since the Labels are reversed when use the PCB reversed - i now removed them in this gerber file!\\ {{:phatline:Euro_Midi_IO_3D_RENDER-Panel.jpg?900|}}\\ ====== To Do ====== Use a other Midi-OUT-Activity Shematic! - its not working for high speed midi! - while Note-ON off is ok, Midiclock can make trouble (the Charge-Discharge Circuit in this Design is not sufficent for this!)\\ ====== Community users working on it ====== * **[[Phatline]]** = PCB & Shematic, Documentation...\\ Just let a Private message on the forum to user already involved.\\