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Circuits

Circuits. Janelle Yong SACNAS Community Day October 29, 2011. Ohm’s Law. V= voltage [Volts V] I = current [Amps A] R = resistance [Ohms Ω ]. V. I. R. Symbols. Voltage Resistor Current (no actual symbol) Capacitance LED Ground. 5 A. Series & Parallel circuits. R 1.

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Circuits

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  1. Circuits Janelle Yong SACNAS Community Day October 29, 2011

  2. Ohm’s Law • V= voltage [Volts V] • I = current [Amps A] • R = resistance [Ohms Ω] V I R

  3. Symbols • Voltage • Resistor • Current (no actual symbol) • Capacitance • LED • Ground 5 A

  4. Series & Parallel circuits R1 • Series R = R1 + R2 • Parallel 1/R = 1/R1 + 1/R2 R2 R1 R2

  5. Resistors

  6. Integrated Circuit (IC): 4011

  7. Nodes • Where two or more components (resistors, capacitors, LEDs, IC pins) meet

  8. Breadboards • Each piece is not connected • Power and Ground in COLUMNS • Insert circuit in the middle as ROWS • Everything is electrically connected (node) in either row or column

  9. Wires POWER • 9V GROUND CIRCUIT

  10. LED Flasher circuit U1A and U1B: 4011 U2: 4017

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