What is the input and output of LDR?

What is the input and output of LDR?

The LDR is an input device which is connected to a device capable of processing such as a Microcontroller or Microprocessor. It is an input device because it provides information to the processing device. Output devices are things the processing device sends information to or controls in one way or another.

What is the input of LDR?

The LDR gives out an analog voltage when connected to VCC (5V), which varies in magnitude in direct proportion to the input light intensity on it. That is, the greater the intensity of light, the greater the corresponding voltage from the LDR will be.

Is LDR an input or output device?

input devices include light-dependent resistors (LDRs) , thermistors and piezoelectric sensors. output devices include loudspeakers and light-emitting diodes (LEDs)

Is a light sensor an input or output?

A Light Sensor generates an output signal indicating the intensity of light by measuring the radiant energy that exists in a very narrow range of frequencies basically called “light”, and which ranges in frequency from “Infra-red” to “Visible” up to “Ultraviolet” light spectrum.

What are light sensors?

Light sensors detect light and convert light energy to an electrical signal output. Another variety of light sensor, photoelectric sensors, consists of devices used to detect the distance, absence, or presence of an object by using a light transmitter (usually infrared) and a photoelectric receiver.

Is buzzer an input or output?

The buzzer is mainly used as an output device in an electronic circuit. An output in an electronic system is where power or information leaves the system. In the case of the buzzer, power is leaving it through means of audible sound and is the main reason a buzzer is an output device.

Is switch input or output?

Switches and Push Buttons are commonly used as input devices for digital system. The output of the circuit can be changed between Vdd and Gnd by pressing/releasing the push button or sliding the switch.

Is led input or output?

LED is commonly used as a simple Digital output device. Usually on Digilent Board, a high voltage will light it up and a low voltage will shut it down.

How is light used in a device?

A lighting device usually consists of a source of optical radiation, a device that transmits the radiant flux into space in the desired direction, and a housing that joins the parts into a single device and protects the radiation source and light-transmitting system against damage and the effects of the surroundings.

What is an input/output device?

Input/output devices, as the name implies, are capable of delivering data (output) to and receiving data from a computer (input). An input/output (I/O) device is a piece of hardware that can take, output, or process data.

What is the output device of led?

A special output device: Light Emitting Diode Unlike filament lamps, where electrical energy must be converted into heat before light can be produced, Light Emitting Diodes (LEDs) are able to transform electrical energy directly into light energy.

What is the input and output of sensors?

The input can be in any form like heat, light, pressure, moisture, motion and other environmental factors. And then the sensor device does some processing on the collected input and generates an output that is in a human-readable form. The sensor devices can be used in home appliances, industries, and other sectors.

What are the input and output devices of LCD projectors?

LCD Projection Panels Computer Output Microfilm (COM) Speaker(s) Head Phone Visual Display Unit Film Recorder Microfiche Both Input–OutPut Devices: Modems Network cards Touch Screen 4. Headsets (Headset consists of Speakers and Microphone. Speaker act Output Device and     Microphone act as Input device) 5.