raise NotImplementedError("Only I2C Master supported!")
         _mode = self.MASTER
 
-        if baudrate != None:
-            print("I2C frequency is not settable in python, ignoring!")
+        #if baudrate != None:
+        #    print("I2C frequency is not settable in python, ignoring!")
         
         try:
             self._i2c_bus = smbus.SMBus(bus_num)
         return found
 
     def writeto(self, address, buffer, stop=True):
-        self._i2c_bus.write_i2c_block_data(address, buffer[0], buffer[1:])
+        self._i2c_bus.write_bytes(address, buffer)
 
     def readfrom_into(self, address, buffer, stop=True):
         readin = self._i2c_bus.read_bytes(address, len(buffer))