The Arduino sketch uses a couple of libraries that you'll need to download. It also uses a .h file that has the hex version of a splash image I used. You can generate your own. Some of the figures used in the instruction manual came from: http://sensorworkshop.blogspot.com/2008/04/sensor-report-mq3-gas-sensor.html # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License.