Additional Led Flash Keychain for Laptop

this is a cool gagdet use for the laptop which doesn't have flash
but with the help of this u click ur pics in dark as well i t can also be used in mobile using otg cable and u can make it neckless also

an old USB port can be cutted from old data cable
an led some wire
some wire and some of soldering

take an old card readers casing
make a circuit as shown in diagram

make a hole in the casing attach them both by glue paint it

u can design ur own

u can also see video on YouTube @krypton inventors
can be weard as neckless