diff --git a/test_RGB_fan.py b/test_RGB_fan.py
new file mode 100644
index 0000000..7c44b68
--- /dev/null
+++ b/test_RGB_fan.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+import smbus
+from time import sleep
+
+bus = smbus.SMBus(1)
+
+DEVICE_ADDRESS = 0x0d
+
+def led_on(LED, R,G,B):
+    bus.write_byte_data(DEVICE_ADDRESS, 0x00, LED)
+    bus.write_byte_data(DEVICE_ADDRESS, 0x01, R)
+    bus.write_byte_data(DEVICE_ADDRESS, 0x02, G)
+    bus.write_byte_data(DEVICE_ADDRESS, 0x03, B)
+
+def led_off():
+    bus.write_byte_data(DEVICE_ADDRESS, 0x07, 0x00)
+
+def breathe_slow():
+    bus.write_byte_data(DEVICE_ADDRESS, 0x04, 0x01)
+    
+def breathe_fast():
+    bus.write_byte_data(DEVICE_ADDRESS, 0x04, 0x03)
+
+led_off()
+led_on(0, 25,58,255)
+led_on(1, 25,58,255)
+led_on(2, 25,58,255)
+sleep(5)
+breathe_slow()
+sleep(5)
+led_off()
+
+
+