Advanced LED series resistor value & power disspation calculation using Python

# Configuration parameters
desired_led_current = "4mA"
vsupply = "54V"
vforward = LEDForwardVoltages.Red
tolerance = "5%" # typical 1% or 5%
higher_or_lower_resistor = next_higher_resistor

series_resistor = led_series_resistor(vsupply, desired_led_current, vforward)
print(f"Ideal LED series resistor for {vsupply} and {desired_led_current}: {format_value(series_resistor, 'Ω')}")

power = led_series_resistor_power(vsupply, desired_led_current, vforward)
print(f"Power dissipated by the ideal {format_value(series_resistor, 'Ω')} series resistor: {format_value(power, 'W')}")

# Get the next higher standard E24 resistor value
print()
standard_series_resistor = higher_or_lower_resistor(series_resistor, sequence=e24)
print(f"Next higher standard resistor value: {format_value(standard_series_resistor, 'Ω')}")

# Calculate the actual current through the LED & series resistor when selecting the next higher resistor
standard_current = led_series_resistor_current(vsupply, standard_series_resistor, vforward)
print(f"Current through the LED & series resistor: {format_value(standard_current, 'A')}")

# Calculate the actual power disspation with the "next highest" resistor
standard_power = power_dissipated_in_resistor_by_current(standard_series_resistor, desired_led_current)
print(f"Power dissipated by the {format_value(standard_series_resistor, 'Ω')} series resistor: {format_value(standard_power, 'W')}")

# Calculate how much maximum current would be permissible for the series resistor
max_current = led_series_resistor_maximum_current(resistance=standard_series_resistor, power_rating="250mW")
print(f"Maximum permissible current for the {format_value(standard_series_resistor, 'Ω')} series resistor: {format_value(max_current, 'A')}")

# Compute the power dissipation if the resistor is at the lower end (which will increase the current)
print()
lowest_resistor_value = resistor_tolerance(resistance=standard_series_resistor, tolerance=tolerance).lower
print(f"If the {format_value(standard_series_resistor, 'Ω')} resistor is at the lower end of its {tolerance} tolerance ({format_value(lowest_resistor_value, 'Ω')}):")
lowest_resistor_current = led_series_resistor_current(vsupply, lowest_resistor_value, vforward)

print(f"Current through the LED & series resistor: {format_value(lowest_resistor_current, 'A')}")
lowest_resistor_power = power_dissipated_in_resistor_by_current(lowest_resistor_value, desired_led_current)

print(f"Power dissipated by the {format_value(lowest_resistor_value, 'Ω')} series resistor: {format_value(lowest_resistor_power, 'W')}")