TechFinity toolkit
Electronics Lab
Practical circuit, component, AC, power, timing, and RF calculations with units and design checks.
Ohm’s law & DC power
Enter any two values; leave the others blank.
Ready.
Voltage divider
Ready.
LED resistor
Ready.
RC timing & cutoff
Ready.
Three-phase power
Ready.
dBm ↔ watts
Ready.
Resistors in series or parallel
Ready.
Engineering note: results are ideal calculations. Apply component tolerance, thermal derating, inrush, code requirements, and safety margins before building hardware.