The Dewi Sant Greenhouse Project - Assessment

Slide 2 We are learning today: To build a control system that operates all of the parts of the greenhouse system in an efficient way – Level 4: A mostly working system that controls most parts of the greenhouse – Level 5: A fully working system that controls most of the parts of the greenhouse in one big flowchart – Level 6: A fully working system that controls all of the parts of the greenhouse and uses as least one subroutine – Level 7: A fully working system that controls all of the parts of the greenhouse and uses several effective subroutines

Slide 3 Annotate our greenhouse mimic val 1 = analogue heat sensor val 2 = analogue light sensor input 1 = digital moisture sensor output 5 = heater output 6 = light mot a = open / close window mot b = sprinkler

Slide 4 Start Is Val 1 < 30? Yes No Turn Output 5 off Val 1 is a temperature sensor Using variables from analogue sensors Turn Output 5 on Val 1 is a temperature sensor

Slide 5 Programmable Options 1. Use moisture sensor to turn on the sprinkler 2. Use heat sensor to turn on the heater 3. Use light sensor to turn on the light 4. Use moisture sensor to close the window and turn on the sprinklers for 10 seconds Remember to print out each flowchart, stick in your book and annotate to explain what is happening in each step

Slide 6 Evidence: One to two A4 pages Name Title: “Greenhouse Assessment” Date A clear print screen of your greenhouse control system, showing the mimic An explanation of your system, talking through every part of your system to show how it works