Graphical Gauge displayed on ILI9341 on Arduino DUE (+VGA support), used thermistor NTC103 (10Kohm at 25°C), used 4color bitmap for gauge background image (for saving memory).
Video: https://www.youtube.com/watch?v=Khmu4csjXqI
/******************************************************************************/ /* */ /* THERMOMETER GAUFE EXAMPLE FOR ARDUINO DUE */ /* */ /******************************************************************************/ /* Copyright (c) 2014 Dr. NCX ([email protected]) */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL */ /* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED */ /* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR */ /* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES */ /* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, */ /* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */ /* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS */ /* SOFTWARE. */ /* */ /* MIT license, all text above must be included in any redistribution. */ /******************************************************************************//----------------------------------------------------------------------------/ /* connection of thermistor: / / / / GND = --[ 10K ]-- A6 --[ NTC ]-- +3.3V / / / /----------------------------------------------------------------------------/ / ILI9341: / /----------------------------------------------------------------------------/ / 8 = RST / / 9 = D/C / / 10 = CS / / / /----------------------------------------------------------------------------/ / VGA: / /----------------------------------------------------------------------------/ / 41 = R --[470R]-- } / / 40 = R --[ 1K ]-- } = VGA 1 (RED) / / 39 = R --[ 2K2]-- } / / / / 38 = G --[470R]-- } / / 37 = G --[ 1K ]-- } = VGA 2 (GREEN) / / 36 = G --[ 2K2]-- } / / / / 35 = B --[390R]-- } = VGA 3 (BLUE) / / 34 = B --[820R]-- } / / / / 43 = Hsync --[ 82R]-- = VGA 13 / / 42 = Vsync --[ 82R]-- = VGA 14 / / / /----------------------------------------------------------------------------*/