This example shows that ,when the "btn_up" component on the Nextion screen is released, the value of gauge component will plus 5, when the "btn_down" component released, the value of gauge component will minus 5 every time.
2015/7/10 2016/12/25 bring HMI up to v0.32 to avoid too old issues by Patrick Martin, no other changes made
Copyright
Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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