i'm trying to control two servo motor using 2 PWM output channels. when i write the code for one motor its works but when i write it for two motor there is a problem . plz any help

[Halra.1]

[KnarfB]

What is the problem?

[Halra.1]

the servo motor doesn't move at all . just there is a tik tik voice but no move i dont have oscilloscope to see PWM output signals

[Piranha]

Probably inadequate power supply.

[Halra.1]

thank you so much sir its work