create bluetooth for VOTOL program

create bluetooth for VOTOL program. Instead of buying it, it's better to make your own Bluetooth or USB cable for the Votol program, it's cheaper.
material
shope.ee/1fw2G... USB to TTL
shope.ee/9eyJn... 4 pin socket
shope.ee/5KpKd... bluetooth module
shope.ee/8pPCo... box project
things I buy for content
katalogproduk....
#make #bluetooth #votol