diff --git a/parts.md b/parts.md
index e3be44c..dd26d2e 100644
--- a/parts.md
+++ b/parts.md
@@ -38,11 +38,12 @@ SMD Capacitors
 MosFETs
 -------------
 
-| Type          |   |  Package  |  Owner  |  Stock   |
-|---------------|---|--------:|--------:|---------:|
-| SI2302 A2SHB  |   | SOT-23    | nbw     | 80       |
-| IRLB8743PbF   |   | TO-220    | nbw     | 3        |
-| TSM 2302      | N | SOT-23    | uru     | 10       |
+| Type          | N/P |  Package  |  Owner  |  Stock   | Description |
+|---------------|-----|----------:|--------:|---------:|-------------|
+| SI2302 A2SHB  |     | SOT-23    | nbw     | 80       | |          
+| IRLB8743PbF   |     | TO-220    | nbw     | 3        | |
+| TSM 2302      | N   | SOT-23    | uru     | 10       | |
+| BSS138        | N   | SOT-23    | uru     | 50       | Logic Level Enhancement Mode |
 
 
 Voltage Regulators
@@ -67,6 +68,16 @@ Microcontrollers
 | Arduino      | Pro Mini  | nbw     |   5      |
 
 
+Quarz Crystal
+-------------
+| Value       |  Package  | Owner |  Stock   |
+|-------------|----------:|------:|---------:|
+| 4.000 MHz   | ??        | uru   |  5       |
+| 8.000 MHz   | ??        | uru   |  5       |
+| 12.000 MHz  | ??        | uru   | 10       |
+| 16.000 MHz  | ??        | uru   |  5       |
+
+
 Connectors
 -------------