1. 1 Applied Control Systems Technology

2. 2 Pin configuration Applied Control Systems

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

4. 4

5. 5 Analogue to Digital conversion PICAXE 18X: - Internal 8 bit analogue to digital converter (2 8 = 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 = Applied Control Systems

6. 6 Connection of Light Dependant Resistor Applied Control Systems

7. 7

8. 8

9. 9 Voltage Regulator

10. 10 Applied Control Systems Voltage Regulator with Diode

11. 11 Applied Control Systems 5V to pin 14 0V to pin 5

12. 12 Applied Control Systems

13. 13 Applied Control Systems

14. 14 Measure the input voltage.

15. 15 Measure the output voltage from the 7805

16. 16 Applied Control Systems Adding Capacitors

17. 17 Applied Control Systems Reset Switch

18. 18 Applied Control Systems Reset Switch

19. 19 Applied Control Systems Reset Switch – pin 4

20. 20 What happens when the reset is pressed and released?

21. 21 Applied Control Systems Resonator

22. 22 Generic components 1.Power supply 2.Download cable 3.Reset connection 4.Available Inputs 5.Available Outputs Applied Control Systems

23. 23 Generic components 1.Power supply 2.Download cable 3.Reset connection 4.Available Inputs 5.Available Outputs Applied Control Systems

24. 24 Applied Control Systems Using Outputs

25. 25 Applied Control Systems Transistor driver output

26. 26

27. 27 What happens when input 7 is pressed and released?

28. 28 Set output 7 high for 2sec- low for 2sec – loop continually

29. 29 Applied Control Systems PICAXE 18X Project Board (5 inputs, 8 outputs) Inputs 4 Terminal blocks 1 Digital thermometer Outputs 6 LED outputs Two transistor driven terminal blocks

30. 30 Applied Control Systems Inputs Outputs (a) (b) Use circuit No. 8 to help complete the diagram

31. 31 Applied Control Systems Green Yellow w Red Green Yellow Red

32. 32

33. 33 Applied Control Systems

34. 34 Applied Control Systems

35. 35 Applied Control Systems InputsOutputs

36. 36 Applied Control Systems Inputs Outputs Identify your input and output needs