rc濾波器截止頻率

RC Circuit

This app is used to calculate the RC charging circuit and RC filter. It is suitable for hobbyist or electronic engineers. Features:1. Calculate time c...

RL Filter

This app is used to calculate RL filter. It is suitable for hobbyist or electronic engineers. Features:1. Calculate cutoff frequency by resistor and i...

dua 4.0+

fixed - updated version of dua for those whose screen does not fit in can install this one.Some important prayers to remember after salah / namaz for ...