Basic Electronics

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Forging new generations of engineers
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Gateway To Technology

• Basic Electronics

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Electricity-Electronics

• Electricity The flow of electrons.
• Electronics The study of the flow of electrons
  in active devices.

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Resistor

• Reduces current flow.
• Changes electrical energy into heat energy.
• Rated in watts (amount of heat energy can
  transfer into the air).

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Capacitor

• A device that stores/holds energy.

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The First Transistor
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Transistor Defined

• A transistor is a small electronic device that
  can cause changes in a large electrical output
  signal by small changes in a small input signal.

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The 3 Transistor Leads

• Base
• Collector
• Emitter

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PNP Transistor
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Transistor Schematic
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Diode

• A device that allows current to flow in only one
  direction. ( to -)

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LED
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Photocell

• Light
• Low resistance
• Dark
• High resistance

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Thermistor

• Thermal-Resistor
• Temperature rises
• Resistance drops
• Temperature lowers
• Resistance increases

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Night Light