Resistive parts 
| Image | Name |
Description | Distributors | Qty |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 |
IC2 |
Preprogrammed Microcontroller |
(Note, they are unprogrammed when purchased new) |
1 |
|||||||
 |
IC1 |
5V Power Regulator |
Digikey Mouser |
1 |
|||||||
 |
OK1 |
MIDI Optocoupler |
1 |
||||||||
 |
IC3 |
Dual rail-to-rail op-amp |
Digikey Mouser |
1 |
|||||||
 |
IC4 |
Quad rail-to-rail op-amp |
Digikey Mouser |
1 |
|||||||
 |
XTL1 |
8.00MHz Ceramic Oscillator |
Digikey Mouser |
1 |
|||||||
 |
C1 |
Power supply capacitor 47uF / 25V |
|||||||||
|
C2 |
Power supply capacitor 100uF / 10V |
2 |
||||||||
 |
C3, C4, C5 |
Bypass capacitor 0.1uF / 50V |
BC1160CT-ND | 3 |
|||||||
 |
LED1 |
Power indicator LED (3mm) LiteOn LTL-4221 |
Digikey Mouser |
1 |
|||||||
 |
LED2 |
MIDI indicator LED (dual 3mm) LiteOn LTL1BEKVJNN |
Mouser | 1 |
|||||||
 |
D1 |
Protection Diode |
Digikey Mouser |
1 |
|||||||
|
R1 |
1.0K resistor Brown - Black - Red - Gold |
4 |
||||||||
|
R2, R4, R5 and R3 or R6 (see notes below) |
220 ohm resistor Red - Red - Brown - Gold |
|
4 |
|||||||
|
R10 | 10K resistor Brown - Black - Orange - Gold |
1 |
||||||||
 |
SW1 |
Power switch |
Digikey Mouser |
1 |
|||||||
 |
SW2 |
MIDI address switch CTS 208-4 (or similar) |
Digikey Mouser |
1 |
|||||||
 |
J1 |
Power jack |
1 |
||||||||
 |
X1 |
9V battery holder |
Digikey Mouser |
1 |
|||||||
 |
J2, J3 |
MIDI connector |
Digikey Mouser |
2 |
|||||||
 |
IC1' |
Microcontroller socket |
1 |
||||||||
 |
JP2 |
10pin connector (optional, for programming) |
Digikey Mouser |
1 |
|||||||
 |
SL1-SL6 |
2-position 2.54mm terminal block |
Digikey Mouser |
6 |
|||||||
 |
PCB |
Circuit board | Adafruit Industries | 1 |
