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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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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 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 =
Applied Control Systems Connection of Light Dependant Resistor
Applied Control Systems Voltage Regulator
Applied Control Systems Voltage Regulator with Diode
Applied Control Systems 0V to pin 5 5V to pin 14
Applied Control Systems Adding Capacitors
Applied Control Systems Reset Switch
Applied Control Systems Reset Switch
Applied Control Systems Reset Switch – pin 4
Applied Control Systems Resonator
Applied Control Systems • Generic components • Power supply • Download cable • Reset connection • Available Inputs • Available Outputs
Applied Control Systems • Generic components • Power supply • Download cable • Reset connection • Available Inputs • Available Outputs
Applied Control Systems Using Outputs
Applied Control Systems Transistor driver output
Set output 7 high for 2sec- low for 2sec – loop continually
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
Applied Control Systems Use circuit No. 8 to help complete the diagram Outputs Inputs (a) (b)
Green Yelloww Red Green Yellow Red Applied Control Systems
Applied Control Systems Inputs Outputs
Applied Control Systems Inputs Outputs Identify your input and output needs