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MIDI HUB BOM
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SURFACE MOUNTS
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R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R21 - 220R 5% SMT 0805 package
R15, R16, R17, R18, R19, R20 - 1K 5% SMT 0805 package (LED current limiting resistors, match to LED used - at 5V)
R22, R23 - 1.8K 5% SMT 0805 package
R24, R25, R26 - 10K resistor 5% SMT 0805 package
C2,C4 - 100nF ceramic capacitor SMT 0805 package
C3 - 4.7uF tantalum capacitor SMT "C" case
D1 - 1N4148 or equiv small signal diode SMT
IC1 - CD4050B hex non-inverting buffer SOIC16
IC3 - PIC16F1825 (or PIC16F688 with previous firmware) microcontroller
THRU HOLE
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L1, L2, L3, L4, L5, L6 - 3mm High Brightness Blue LED
IC2 - 6N138 opto-isolator DIP8
7 x 5-pin 180 degree 5-pin DIN socket
3 x 12mm tactile switch
Mini USB socket SMT to fit PCB pads