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TEST YOUR BRAIN!. Basic Circuits. Creates a set voltage. Potential Dividers. R1 = 40. R1 = 100. R1 = 20. R1. Vs = 10V. Vs = 10V. Vs = 10V. Vs. Vout = Vs x R2 R1 + R2. Vout = 3.3V. Vout = 5V. Vout = 6.6V. R2 = 20. R2 = 40. R2 = 100.
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TESTYOURBRAIN! Basic Circuits
Creates a set voltage PotentialDividers
R1 = 40 R1 = 100 R1 = 20 R1 Vs = 10V Vs = 10V Vs = 10V Vs Vout = Vs x R2 R1 + R2 Vout = 3.3V Vout = 5V Vout = 6.6V R2 = 20 R2 = 40 R2 = 100 Vout = 10 x 20 = 200 = 3.3V 40+20 60 Vout = 10 x 100 = 1000 = 5V 100 +100 200 Vout = 10 x 40 = 400 = 6.6V 20 + 40 60 R2 Potential Divider
Creates an adjustable voltage Potentiometer
Potentiometer 10V 10V VR1 Volts
Potentiometer 10V 7.5V VR1 Volts
Potentiometer 10V VR1 5V Volts
Potentiometer 10V VR1 2.5V Volts
Potentiometer 10V VR1 0V Volts
Converts a light level into a voltage LDRPotential Divider
10V Vout LDR Potential Divider Volts LDR Resistance
10V Vout LDR Potential Divider Volts LDR Resistance
10V Vout LDR Potential Divider Volts LDR Resistance
LDR Potential Divider 10V Vout Volts LDR Resistance
10V Vout LDR Potential Divider Volts LDR Resistance
Compares two different input voltages Comparator
Comparator Inverting > Non-inverting
Comparator Inverting = Non-inverting
Comparator Inverting < Non-inverting
LED lights on when it is dark Light Sensor
- Vout + 10V Light Sensor Inverting input voltage Output voltage LDR Resistance Non-Inverting input voltage
- Vout + 10V Light Sensor Inverting input voltage Output voltage LDR Resistance Non-Inverting input voltage
- Vout + 10V Light Sensor Inverting input voltage Output voltage LDR Resistance Non-Inverting input voltage
- Vout + 10V Light Sensor Innverting input voltage Output voltage LDR Resistance Non-Inverting input voltage
Produces continuous pulses 555 TimerAstable Circuit
F = . 1.44 . (R1+2R2) x C1 555 Astable Circuit
555 Astable Circuit SMALL CAPACITOR HIGH FREQUENCY
555 Astable Circuit LARGE CAPACITOR LOW FREQUENCY
Produces a pulse of a set length 555 TimerMonostable Circuit
555 Monostable Circuit T = 1.1 x C1 x R1
555 Monostable Circuit Output Trigger
Allows a voltage to control a large Current. Field Effect Transistor(FET)
A small current on the base creates a large current through the speaker Transistor Driver C B E
A small current on the base creates a large current through the lamp Transistor Driver C B E
A voltage on the gate controls the current through the lamp. FET Driver D G V S
AND Gate A=0 A B Q=0 Q B=0 Truth Table
AND Gate A=0 A B Q=0 Q B=1 Truth Table
AND Gate A=1 A B Q=0 Q B=0 Truth Table
AND Gate A=1 A B Q=1 Q B=1 Truth Table
OR Gate A A=0 Q=0 B=0 Q B Truth Table
OR Gate A A=0 Q=1 B=1 Q B Truth Table
OR Gate A A=1 Q=1 B=0 Q B Truth Table
OR Gate A A=1 Q=1 B=1 Q B Truth Table