diff --git a/TODO.md b/TODO.md
index 06f6234..6d0635f 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,3 +1,8 @@
 # TODOs
 
 - Move from machine_i2c_lcd to pico_i2c_lcd
+
+## Notes
+Example for display screen:  
+ACT: 20.0°C  >H<
+TGT: 25.0°C  ON