Describe How the Microprocessor Uses Data From the Light Sensor

When the sensor reading is. Dark and light lines using laser light or LEDs.

Igcse Ict Control Devices Examples

There is possibly a light sensor if it has auto headlamps.

. Microprocessors send signals to flashing lighthouselights. B Explain why computers are unable to read the data directly from the sensors. 1 A geography teacher wants to use a computer to monitor the weather conditions using the school weather station.

How microprocessor uses data from the sensor to control the washing machine. A light sensor is used to detect the presence of a car and prevent the barrier from dropping onto the car. If the data is lower than the threshold value a LED bulb would be switched on.

Describe how a microprocessor uses the data from the sensor to control the car park barrier. The process goes like this. Make a night light.

Click again to see term 127 YOU MIGHT ALSO LIKE. One pin for power one pin to go to ground and the final pin is an output delivering voltage proportional to the light falling on the sensor. The first computer uses a standard general purpose microprocessor for general data handling and call management purposes the second computer uses a special purpose microprocessor called a digital.

B The flowchart on the opposite page shows how a light sensor and microprocessor are used to switch a street lamp on or off. In section 73 we looked at how sensors could be used alongside computers to measure quantities like temperature light intensity etc and then log changes in these quantities. Up to 24 cash back name two sensors used in such a system and for each explain what it is used for.

Uses negatively charged images on a rotating drum and positively charged toner to output a hard copy. Using item numbers only from the list below complete the flowchart. There are many microprocessor controlled devices in the modern home describe the effects of these on people lifestyles.

Microprocessor switches heater on Microprocessor receives data from temperature sensor Temperature of oven is compared with pre-set value by microprocessor If higher microprocessor switches heater of If lower microprocessor leaves heater on Describe how the microprocessor uses data from the light sensor in a green house Microprocessor compares. Converts a hard copy document into an electronic form to be stored as a file on a computer. Describe the effects of these devices on peoples.

A Name three sensors in the weather station. These can be interpreted by a computer after. Using the materials you have if you have followed this so far you could.

The ADC analogue to digital converter converts the analogue data into digital form. To the voltage supply unit. 5 A security light system is used by a factory.

A control system consists of a microprocessor which needs a control program to handle data from sensors. Microprocessor automatically send messagestexts the owner. Include in your answer how the microprocessor stops the street lights being frequently switched on and off due to brief changes in the light intensity.

Up to 24 cash back The roll of microprocessors in such a system is that the circuits on the microprocessor manipulate data in a pattern that can be programmed by software to make the sensor pick up their speciality. The signal is compared to a threshold value stored in memory. Up to 24 cash back Homework Exam Questions.

Make a night light that turns off after a set time. Make a burglar alarm. Sensors can also be used alongside computers to control different devices.

This is a tremendous advantage to the user. Input Output Devices PLAY Match Gravity uses light sensor-send data to microprocessor-data converted to digital adc Click card to see definition How sensor microprocessor and LEDs are used to maintain the correct brightness of the clock face. Sensor 1- movement monitor use- to sense when there are people or things moving around the house.

A Heat sensor and gas sensor oxygen sensor b The temperature sensor and the O2 sensor send data to the microprocessor through an analogue to digital converter. Make An automatic system to illuminate your alarm clock the hall the stairs your den when it gets dark. The width of each line represents a binary code reading passports pH sensor detects changes in acidity levels.

A Identify two sensors that would be used in the security light system. Also the response is not linear. The light only comes on when it is dark and when movement is detected.

The microprocessor compares this digital data with stored data that meet the requirements for maintaining certain conditions. The role of sensors in control. Describe how the sensor microprocessor and light interact to switch the street light on or off.

Uses a bright white light source and micro mirrors on a chip to produce an image to be shone onto a wall or screen. If this data is out of range the microprocessor will send signals to the. Describe the role of the microprocessor in such a system.

There are many microprocessor controlled devices in the modern home. A microcontroller receives data from a light sensor. Microprocessors send signals automatically to police.

Several of the instructions have been omitted from the flowchart. If the conditions need to be amended the microprocessor will send out a signal to an actuator. Data is often in analogue form automatic stock control scanner device that allows audio signals to be converted into electric signals.

Or a temp sensor for climate control. A Low or high temperature alarm or warning. A light sensor and a microprocessor are used to decide when to switch each street light on or off.

Uses a light sensor sends signaldata back to microprocessor signaldata converted to digital using ADC value compared by microprocessor with pre-setstored value if value stored value signal sent by microprocessor. Microprocessors send signals to sound alarm. The light will stay on for 1 minute before switching off.

Eg checks the 25 and 20 ppm every 30 seconds. Signals are sent from an output device to. Discovering Computers Ch 6 57 terms.

Sensors and a microprocessor are used to control the security light system. Otherwise the bulb would be switched off. Information from the sensors is sent to the microprocessor.

A large city centre hotel uses a computer-controlled barrier for entry into its car park. This data is checked against stored values. Sensor 2- infared use- to sense body heat 5.

Sensors are used to measure physical quantities such as temperature light pressure sound and humidity. - it gathers the information from the sensors and sets off. The voltage swings from near zero in near total darkness to nearly the voltage of the supply outdoors in bright sunlight.

What Is A Light Sensor Types Uses Arduino Guide Latest Open Tech From Seeed

Igcse Ict Control Devices Examples

Igcse Ict Control Devices Examples