updated TODO

README.md

@@ -146,6 +146,9 @@ make  # Make sure serial connection is the same as on the host pc and it have th
 [Sim Racing Matrix Space](https://matrix.to/#/#simracing:matrix.org)
 
 ## ToDo
+ - add option to specify frame rate
+ - add ability to set frame rate per effect
+ - add frequency cap (low pass filter) to sound haptic effects
  - windows port
  - more memory testing
  - cleanup tests which are basically just copies of the example from their respective projects