if the PIC mircoP are passive components you can check as stated
about. note soe biggercompanies don;t deal with casual buyers.
while smaller chinamen ones maybe can provied you meet their MOQ -
minimum irder quatity and pay for it. screws hatdware will be
easier i ever bought using my own name for company usage last time
but claim pettycash to company instead with formal receipt
submission.
the USB programing circuit if its a printed board sortta device
mayb dificult to get just one piece. maybe can ask around frist at
simlim. if you doing project for school maybe can consult lcturers
or seniors on how they get them.