# Police Lights - Red and blue alternating flashes # Emergency vehicle style lighting #strip length 60 # Define zones for left and right halves set half_length = 30 # Left side red flashing animation left_red = beacon( color=0xFF0000 # Bright red pos=15 # center of left half beacon_size=15 # half the strip slew_size=2 # sharp edges ) left_red.priority = 10 left_red.opacity = square(min_value=0, max_value=255, duration=400ms, duty_cycle=50) # 50% duty cycle # Right side blue flashing (opposite phase) animation right_blue = beacon( color=0x0000FF # Bright blue pos=45 # center of right half beacon_size=15 # half the strip slew_size=2 # sharp edges ) right_blue.priority = 10 right_blue.opacity = square(min_value=255, max_value=0, duration=400ms, duty_cycle=50) # Opposite phase # Add white strobe overlay occasionally animation white_strobe = solid(color=0xFFFFFF) white_strobe.opacity = square(min_value=0, max_value=255, duration=100ms, duty_cycle=5) # Quick bright flashes white_strobe.priority = 20 # Start all animations run left_red run right_blue run white_strobe