MBHP CORE_R4 Kit parts list
+-------+---------------------------------------+-------+
| Loc.  | Description                        	| Qty   |
+-------+---------------------------------------+-------+
| IC3   | Voltage Regulator 7805             	|     1 |
| IC1   | IC-Socket for PIC                  	|     1 |
| IC2   | Optocoupler 6N138                  	|     1 |
| IC2   | IC-Socket for 6N138                	|     1 |
| Q1    | Transistor BC337                   	|     1 |
|R3,9,10| Resistor 10 kΩ                    	|     3 |
| R5    | Resistor 5.6 kΩ                   	|     1 |
| R6    | Resistor 1.2 kΩ                   	|     1 |
|R2,4,12| Resistor 1 kΩ                     	|     3 |
|R7,8,11| Resistor 220 Ω                    	|     3 |
| R1    | Resistor 100 Ω                    	|     1 |
|C3,7,8 | Ceramic Cap 100nF=.1µF "104"       	|     3 |
| C6    | Ceramic Cap 330nF=.33µF (2.54LS) "334"|     1 |
| C1,2  | Ceramic Cap 33pF (2.54LS) "33"        |     2 |
| C4    | Electrolytic Cap 10µF (5DIA-2LS)    	|     1 |
| C5    | Electrolytic Cap 2200µF (13DIA-5LS)  	|     1 |
| D1    | Diode 1N4148                       	|     1 |
| BR1   | Bridge Rectifier                   	|     1 |
| P1,2  | TrimPot 10 kΩ                       	|     2 |
| Jxx   | 1-row SIL Headers (5 pins)        	|     1 |
| Jxx   | 2-row DIL Headers (86 pins)        	|     1 |
| X1    | 10mhz 49S Crystal                  	|     1 |
+-------+---------------------------------------+-------+
MIDI jacks available separately.