diff --git a/dox/notes_A b/dox/notes_A
index 9af617632d33567ab61a98f5856698b5e284bcd3..9e7dd19fe6be58d5d82cd2d5bb8854fe242a0ad9 100644
--- a/dox/notes_A
+++ b/dox/notes_A
@@ -15,6 +15,7 @@ Does
 ###############################
 Hardware setup:
 	> Thermostat/Plantgrow chamber
+		> 20 k€ for thermochamber
 	> round tube with camouflage
 	> sizes in (height/width)
 	> light?
diff --git a/dox/todo_tron b/dox/todo_tron
index c6d12fa5d512ead53b171969864e3f4ea63633e9..4f2ceac39128f24b56b69b26855f424e09a1fa18 100644
--- a/dox/todo_tron
+++ b/dox/todo_tron
@@ -9,6 +9,7 @@ CAMTRON PROCESSING PIPELINE
 
 A)
 ###########################
+	> buy chambers
 	> hw setup / preparation
 	> cam calibration
 	> configure cam settings