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You may use metric Prefixies(like k, m,u,n,p,...).

PCB Circuit Unit
LED lighting circuit design

Design a circuit consisting of a power supply, LEDs, and resistors.
The actual components have variations in resistance and Vf, so there will be errors in the LED current.

Power Voltage
V
Vf of LED
V
Current limit resistance
ohm
Max voltage
V
min Volatge
V
Vf Max
V
Vf min
V
Resistance tolerance
%
➧
LED current
mA
Max LED Current
mA
min LED current
mA

This is a easy calculation and no guarantee is given for the calculation results.

2020 Engeneer Calculator project. 2020 Engeneer Calculator project. All right reserve.

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