convert blink to use a thread

test/blink.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+"""
+Test script for blink pattern
+Run with: mpremote run test/blink.py
+"""
+
+import patterns
+import utime
+
+def test_blink():
+    print("Testing blink pattern...")
+    
+    # Initialize patterns with LED pin 10 and 59 LEDs at 20% brightness
+    p = patterns.Patterns(pin=10, num_leds=59, brightness=51, delay=500)
+    
+    # Set a bright red color
+    p.colors = [(255, 0, 0)]  # Red
+    
+    print(f"LEDs: {p.num_leds}")
+    print(f"Brightness: {p.brightness}")
+    print(f"Delay: {p.delay}ms")
+    print(f"Color: {p.colors[0]}")
+    
+    # Test blink pattern
+    print("Starting blink pattern for 5 seconds...")
+    p.select("bl")
+    
+    # Let it run for 5 seconds
+    utime.sleep(5)
+    
+    # Stop the pattern
+    p.run = False
+    print("Blink test completed")
+    
+    # Turn off LEDs
+    p.off()
+    print("LEDs turned off")
+
+if __name__ == "__main__":
+    test_blink()