1.4 Systems approach when designing DT
- Created by: Dylan1234567890
- Created on: 02-04-20 14:49
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- DT 1.4
- Input
- electronic or mechanical sensors
- light resistant resistor (LDR)
- street lights
- camara
- clock radio
- Switches and pressure sensors
- rocker switch
- micro switch
- push to make switch
- pressure pad switch
- you want something turned on
- Thermistor (temperature sensor)
- toasters
- fridges
- hair dryers
- PTC (positive temperature coefficient)
- increases with temp increase
- NTC (negative temperature coefficient
- falls with temp increase
- light resistant resistor (LDR)
- electronic or mechanical sensors
- Output
- lamp
- LED's
- Buzzer
- Piezoelectric buzzer
- Loud speaker
- movement
- light
- sound
- Processes
- actions done because of the input
- microcontrollers
- remote controls
- engine control system
- office machine
- toys
- PIC (peripheral interface controller)
- small computers within a single integrated circuits)
- Flowcharts
- describe operations of a program
- start/end
- An oval shape represents the start and end of a process
- Input/Output
- A parrellogram represents input or output
- Decision
- A diamond represents a decision
- Process
- A rectangle represents a decision
- Arrow
- An arrow is a connector that shows relationship between shapes
- Input
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