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Touch Screen controlled surveillance vehicle

Touch Screen controlled surveillance vehicle. Block Diagram. 4-Wire Touch Screen. ITO conductive layers FPC Cable Active Area R touch ↓ when the TS is touched. 3-D Electrical Equivalent of the TS. Screen Interface to the MCU. X & Y position Measurements. Problems Faced.

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Touch Screen controlled surveillance vehicle

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  1. Touch Screen controlled surveillance vehicle

  2. Block Diagram

  3. 4-Wire Touch Screen • ITO conductive layers • FPC Cable • Active Area • Rtouch ↓ when the TS is touched 3-D Electrical Equivalent of the TS Screen Interface to the MCU

  4. X & Y position Measurements

  5. Problems Faced • Switching i/p & o/p on same lines • Fluctuations in readings if done fast • Need of Touch Interrupt • ADC resolution 10 bit to 8 bit • Noise on lifting stylus

  6. Graphical LCD • 128x64 pixels • KS0108 on-chip controller • Screen divided into two parts- left & right

  7. GLCD working

  8. Problems Faced • No ready library available • Timing • Simulation • Reading from the GLCD • Green version voltage thresholds different from the Blue version

  9. Background Math a = x1 – x0 b = y1 – y0 m = b/a Distance: Rectangular to Polar Conversion Angle:

  10. θ2 θ1 θ0 From Transmitter: s[angle],[distance] e.g. s0030,040 s-050,020 At receiver: θ = θ2 – θ1 Rotate the vehicle by angle ‘θ’ Then move forward by ‘d’ distance

  11. Demonstration

  12. Touch ControlSurveillance Vehicle Welcome Screen Searching... Device 1 Search for all the devices in thevicinity of the transmitter Mode: Automapping User guided Select ‘Mode’:Autonomous Mapping of the region or Manually guiding the vehicle Survey Send Clear The Main Screen with active area & menu

  13. Draw the path to be followed(100 samples will be taken) ‘Send’ the data to the vehicle through RFand start the vehicle ‘Clear’ screen to draw another path Survey Send Clear Survey Send Clear Survey Send Clear Survey Send Clear Temp= 34.00 C Time= 12:00:00 ‘Survey’ to get the sensor data from the vehicle

  14. Thank You

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