basic electronics component
TRANSCRIPT
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Basic Components
ResistorCapacitorInductorConnectors and DC JackLEDIR ModuleLM358H-BridgeL293D IC
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Resistors• Offer opposes to the flow of current.• Have net Potential Drop Across them.
How to Read a Resistor Value ?
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CapacitorsCharge Storing Element
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USE OF CAPACITORS
1.CouplingCapacitors used to extract AC components from DC + AC components.
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USE OF CAPACITORS(Contd..)
2. Decoupling•Decoupling capacitors are used to pass noise coming in from the power source to the ground terminal
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USE OF CAPACITORS(Contd..)
3.SmoothingSmoothing capacitors suppress ripples that are generated even after rectification with a power circuit to smooth-out signals so that they approach direct currents.
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Potentiometer
•A potentiometer is a manually adjustable electrical resistor that uses three terminals. •Also Known as Variable Resistor or Rheostat .
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INDUCTORS
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It resists changes in electric current passing through it.
They are used to block AC while allowing DC to pass; inductors designed for this purpose are called chokes.
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CONNECTORSand
DC JACK
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These connectors are used to connect through jumper
wire.
Breakaway-Header-Connector
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JUMPER
These connectors are used to connect both sides from hole connectors.
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switches
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SWITCHESTACTILE /PUSH SWITCH
DPST SWITCH
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OSCILLATOR
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An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.Oscillators convert direct current (DC) from a power supply to an alternating current signal. They are widely used in many electronic devices.
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LED(LIGHT EMITTING DIODE)
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Light Emitting DiodeA light-emitting diode (LED) is a semiconductor
light source.
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Infra Red LED•An IR LED, also known as IR transmitter, is a special purpose LED that transmits infrared rays .•IR rays are not visible through naked eyes.•It is Forward Bias.
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Photodiode or IR Receiver•A photodiode is a type of photo detector or light
receiver capable of converting light into either current or voltage, depending upon the mode of operation.
•Works in Reverse Bias
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IR Sensors•An infrared Sensor is a detector that reacts to infrared (IR) radiation•IR rays reflected by white background is received by the photodiode while the Black Color will absorb all the Radiation thus Photodiode would detect nothing.
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Analog Output to IC
IR SENSOR MODULE
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LM358 Comparator IC•Used to compare analog signals to a reference voltage and give a digital high(1) or low(0) signal.
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LM358 as Analog to Digital Convertor
IR SensorIR Sensor
To motorRef. input
To motor
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IR Sensor using LM358
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H-BridgeIt is an electronic circuit which enables a voltage to be applied across a load in either direction. It electronically command the motor to go forward, reverse, brake, and coast.
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Motor Driver•Motor Driver is the Component That is required to amplify the current coming from the Control circuit to a suitable amount to drive the motors.•H-Bridge Motor Driver(Bi-Directional Motor Driver)•Using IC(L293D)
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Using L293D
VCC
VCCVCC
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Arduino
IR SENSOR
BLOCK DIAGRAMDIGITAL SIGNAL