Add fastled_set_max_refresh_rate method to Python interface

HISTORY.md

@@ -1,5 +1,11 @@
 # History
 
+## 0.12.1 (2025-08-22)
+
+* Add `fastled_set_max_refresh_rate` method to control FastLED refresh rate.
+  - Supports rates from 1-800 Hz for normal operation
+  - Rate of 0 runs as fast as possible
+
 ## 0.12.0 (2025-08-21)
 
 * Add missing command methods to provide complete interface to all firmware commands:

teensytoany/teensytoany.py

@@ -1300,6 +1300,17 @@ def fastled_set_hsv(self, led_index, h, s, v):
     def fastled_set_hue(self, led_index, hue):
         self._ask(f"fastled_set_hue {led_index} {hue}")
 
+    def fastled_set_max_refresh_rate(self, rate):
+        """Set the maximum refresh rate for FastLED.
+
+        Parameters
+        ----------
+        rate: int
+            Maximum refresh rate in Hz (1-800).
+            A rate of 0 will run as fast as possible.
+        """
+        self._ask(f"fastled_set_max_refresh_rate {rate}")
+
     def info(self):
         """Displays information about this TeensyToAny device."""
         return self._ask("info")