diff --git a/parts.md b/parts.md
index 4e8459d..6188a0a 100644
--- a/parts.md
+++ b/parts.md
@@ -76,7 +76,7 @@ MosFETs
 
 | Type          | N/P |  Package  |  Owner  |  Stock   | Description |
 |---------------|-----|----------:|--------:|---------:|-------------|
-| SI2302 A2SHB  |     | SOT-23    | nbw     | 80       | |
+| SI2302 A2SHB  |     | SOT-23    | nbw     | 80 (U:50)| |
 | IRLB8743PbF   |     | TO-220    | nbw     | 23       | |
 | TSM 2302      | N   | SOT-23    | uru     | 10       | |
 | AO 3400       | N   | SOT-23    | uru     | 50       | |
@@ -110,9 +110,9 @@ Microcontrollers
 
 | Type         |  Package  |  Owner  |  Stock   |
 |--------------|----------:|--------:|---------:|
-| ATMega 8A    | DIP-28    | nbw     |   5      |
-| ATTiny 84V   | DIP-14    | nbw     |   2      |
-| ATTiny 85    | DIP-8     | nbw     |   5      |
+| ATMega 8A    | DIP-28    | nbw     |   5 (U:5)|
+| ATTiny 84V   | DIP-14    | nbw     |   2 (U:2)|
+| ATTiny 85    | DIP-8     | nbw     |   5 (U:5)|
 | ESP8266      | ESP-12E   | nbw     |  10      |
 | Arduino      | Pro Mini  | nbw     |   5      |