Describe how a sensor and a microprocessor is used to monitor the ph of cleaning products when the system records each reading that is taken and if the reading is greater then 7 a warning message is displayed on a monitor
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Sensors are input devices that record data about the physical environment around it. Sensors send data to a microprocessor (computer). They do not make judgements, decisions or control any output devices. There are many types of sensors used in a variety of household, commercial and industrial applications. ....
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