diff --git a/parts.md b/parts.md
index 470e416..0151114 100644
--- a/parts.md
+++ b/parts.md
@@ -97,6 +97,7 @@ ICs
 | 74HC595N        | DIL-16    | uru   | 10       | 1-8 Shift Register |
 | 74HC595D        | SO-16     | uru   | 10       | 1-8 Shift Register |
 | CH340G          | SO-16     | uru   | 10       | USB->Serial |
+| MC34063AD       | SO-8      | uru   | 3        | 1.5A step-up/down inverting switching regulator 40V |
 
 Diodes
 ------
@@ -120,3 +121,10 @@ Connectors
 | Dupont Housing 7 Pin     | uru     |  10      |
 
 
+Other
+-----
+
+| Name            | Package   | Owner | Stock    | Description |
+|-----------------|----------:|------:|---------:|-------------|
+| 4N35            | DIL-6     | uru   | 6        | Optocoupler |
+