TERMUX VIBRATE

first you need to install these apps from playstore

1] Termux App

2] Termux API App

Now open Termux and follow these steps

Installation :

$ apt update && apt upgrade

$ apt install termux-api

usage :

Type this command to vibrate your device

$ termux-vibrate -d 1500 -f

-d = duration

1500 = you can give any value to vibrate like 4090,etc...,