hy.i'm a newbie in electronics and i need assitance at a project.i need to make a mini Wireless open ear canal earpiece fm receiver.sorry for my bad english(.please anyone could help me with a diagram...please...!!!
Your ear's canal is too small for a radio that works half decently, that you could build only one, yourself.
If you want to make 10,000 of them then you could order custom-made tiny electronic parts for it.