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Resistors:
Power Supply Voltage Range: 5V
Forward Voltage: 3.3V
Desired LED Current: 15mA
Resistance= (Power Supply V - Forward Voltage)/Desired LED Current
R=(5.5V-3.3V)/(15mA)=113.34 Ohms
Timeline:
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Resistors:
Power Supply Voltage Range: 5V
Forward Voltage: 3.3V
Desired LED Current: 15mA
Resistance= (Power Supply V - Forward Voltage)/Desired LED Current
R=(5.5V-3.3V)/(15mA)=113.34 Ohms
...