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Applied Control Systems

Technology. Applied Control Systems. Pin configuration. Applied Control Systems. Applied Control Systems. Connection of variable resistor / potentiometer. Analogue pin connections Input 0 – Pin 17 Input 1 – Pin 18 Input 2 – Pin 1. Applied Control Systems. Analogue to Digital conversion

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Applied Control Systems

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  1. Technology Applied Control Systems

  2. Pin configuration Applied Control Systems

  3. Applied Control Systems Connection of variable resistor / potentiometer Analogue pin connections Input 0 – Pin 17 Input 1 – Pin 18 Input 2 – Pin 1

  4. Applied Control Systems Analogue to Digital conversion PICAXE 18X: - Internal 8 bit analogue to digital converter (28 = 256) Possible Voltage input range:- 0v – 5v Possible conversion :- 0 – 255 Examples: - 0v = 0, 5v = 255, 3v = 153 Conversion formula: - Input voltage *255 Supply voltage Conversion =

  5. Applied Control Systems Connection of Light Dependant Resistor

  6. Applied Control Systems

  7. Applied Control Systems

  8. Applied Control Systems Voltage Regulator

  9. Applied Control Systems Voltage Regulator with Diode

  10. Applied Control Systems 0V to pin 5 5V to pin 14

  11. Applied Control Systems

  12. Applied Control Systems

  13. Measure the input voltage.

  14. Measure the output voltage from the 7805

  15. Applied Control Systems Adding Capacitors

  16. Applied Control Systems Reset Switch

  17. Applied Control Systems Reset Switch

  18. Applied Control Systems Reset Switch – pin 4

  19. What happens when the reset is pressed and released?

  20. Applied Control Systems Resonator

  21. Applied Control Systems • Generic components • Power supply • Download cable • Reset connection • Available Inputs • Available Outputs

  22. Applied Control Systems • Generic components • Power supply • Download cable • Reset connection • Available Inputs • Available Outputs

  23. Applied Control Systems Using Outputs

  24. Applied Control Systems Transistor driver output

  25. What happens when input 7 is pressed and released?

  26. Set output 7 high for 2sec- low for 2sec – loop continually

  27. Applied Control Systems PICAXE 18X Project Board (5 inputs, 8 outputs) Outputs Inputs 4 Terminal blocks 1 Digital thermometer 6 LED outputs Two transistor driven terminal blocks

  28. Applied Control Systems Use circuit No. 8 to help complete the diagram Outputs Inputs (a) (b)

  29. Green Yelloww Red Green Yellow Red Applied Control Systems

  30. Applied Control Systems

  31. Applied Control Systems

  32. Applied Control Systems Inputs Outputs

  33. Applied Control Systems Inputs Outputs Identify your input and output needs

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