diff --git a/content/notes/03-sequential-logic-circuits.md b/content/notes/03-sequential-logic-circuits.md
index 5033507b8..cbd3b6cbe 100644
--- a/content/notes/03-sequential-logic-circuits.md
+++ b/content/notes/03-sequential-logic-circuits.md
@@ -24,7 +24,7 @@ Two types:
 
 
 # Memory circuits
-- Set-reset latch
-- D-type flip-flop
-- T-type flip-flop
-- JK-type flip-flop
\ No newline at end of file
+- Set-reset latch [sr latch](https://i.imgur.com/mhXd77i.png)
+- D-type flip-flop [delay flip flop](https://i.imgur.com/IpQfNRm.png)
+- T-type flip-flop [t flip flop](https://i.imgur.com/SZn2J94.png)
+- JK-type flip-flop [jk flip flop](https://i.imgur.com/OgfTehO.png), [jk flip flop 2](https://i.imgur.com/8zJvDuw.png)
diff --git a/content/notes/cosc-204.md b/content/notes/cosc-204.md
index 3b644cd27..05176b6bd 100644
--- a/content/notes/cosc-204.md
+++ b/content/notes/cosc-204.md
@@ -33,7 +33,7 @@ tags:
 # Lectures
 - [01-bits-and-bytes](notes/01-bits-and-bytes.md)
 - [02-combinatorial-logic](notes/02-combinatorial-logic.md)
-- 
+- [03-sequential-logic-circuits](notes/03-sequential-logic-circuits.md)
 
 
 # Archive