diff --git a/README.md b/README.md
index 8505187..b1dbaeb 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ and let the user decide at which pin which output, sensor or whatever will be co
     - support for I2C 0-10V Dimm control
     - PWM dimm control
     - Support for humidifier, heater (, CO2?)
+    - Read Fan RPM
   - Water
     - Usual watering
     - Pump for fertilizer