diff --git a/test/test_load_sensors.py b/test/test_load_sensors.py
index a3a5572..8ad0958 100644
--- a/test/test_load_sensors.py
+++ b/test/test_load_sensors.py
@@ -7,9 +7,19 @@
 from tentacle_pi.MPL115A2 import MPL115A2
 from tentacle_pi.LM75 import LM75
 
+"""
+Simple test to check if all supported sensors are working.
+
+- Runs on a Odroid C1 (Ubuntu) and Raspberry Pi 1 / 2 (Raspbian).
+- For the Banana Pi (Raspbian) change the variable I2C_DEVICE to '/dev/i2c-2'
+
+"""
+
+I2C_DEVICE = '/dev/i2c-1'
+
 
 print "test AM2315"
-am = AM2315(0x5c,"/dev/i2c-1")
+am = AM2315(0x5c, I2C_DEVICE)
 temperature, humidity, crc_check = am.sense()
 print "temperature: %0.1f" % temperature
 print "humidity: %0.1f" % humidity
@@ -19,7 +29,7 @@
 
 
 print "test BMP180"
-bmp = BMP180(0x77,"/dev/i2c-1")
+bmp = BMP180(0x77, I2C_DEVICE)
 print "temperature: %0.1f" % bmp.temperature()
 print "pressure: %s" % bmp.pressure()
 print "altitude: %0.1f" % bmp.altitude()
@@ -28,7 +38,7 @@
 
 
 print "test TSL2561"
-tsl = TSL2561(0x39,"/dev/i2c-1")
+tsl = TSL2561(0x39, I2C_DEVICE)
 tsl.enable_autogain()
 tsl.set_time(0x00)
 print "lux %s" % tsl.lux()
@@ -37,7 +47,7 @@
 
 
 print "test MCP9808"
-mcp = MCP9808(0x18,"/dev/i2c-1")
+mcp = MCP9808(0x18, I2C_DEVICE)
 temperature = mcp.temperature()
 print "temperature: %0.2f" % temperature
 print
@@ -45,7 +55,7 @@
 
 
 print "test MPL115A2"
-mpl = MPL115A2(0x60,"/dev/i2c-1")
+mpl = MPL115A2(0x60, I2C_DEVICE)
 temperature, pressure = mpl.temperature(), mpl.pressure()
 print "temperature: %0.1f" % temperature
 print "pressure: %0.1f" % pressure
@@ -54,7 +64,7 @@
 
 
 print "test LM75"
-lm = LM75(0x48,"/dev/i2c-1")
+lm = LM75(0x48, I2C_DEVICE)
 temperature = lm.temperature()
 print "temperature: %0.2f" % temperature
 time.sleep(2)