diff --git a/tech/2024-04-07_pico-stuff/index.gmi b/tech/2024-04-07_pico-stuff/index.gmi
index 7897f3e..0453ddd 100644
--- a/tech/2024-04-07_pico-stuff/index.gmi
+++ b/tech/2024-04-07_pico-stuff/index.gmi
@@ -33,10 +33,15 @@ note: Pico-8 is included in the infamous itch.io 'Bundle for Racial Justice and
 Picotron is not well documented for now, use the Pico-8 API but bear in mind that some things are not compatibles and may not work
 the Picotron official manual is also a really good ressource for now
 
-# tutos
+### tutos
 
 => https://www.lexaloffle.com/bbs/?tid=141467 Picotron instrument design rudiments
 
+### random interesting stuff
+
+=> https://www.lexaloffle.com/bbs/?tid=140758 Random Picotron discoveries
+=> https://www.lexaloffle.com/bbs/?tid=141493 List of Picotron special characters (P8SCII)    
+
 ## common tools
 
 => https://seansleblanc.itch.io/pico-8-fillp-tool A little helper tool for generating fillp patterns, really handy