Hello. I'm an electrical engineer/PCB designer. You may check my qualification i the profile.
Relevant Skills and Experience
PCB layout, circuit design, testing prototypes, electronics
Proposed Milestones
$500 USD - Circuit design, component selection
$500 USD - PCB layout, Gerbers
$250 USD - Additional services, depends from the terms
Please contact with me, to discuss any details, because not clear about airgun.
Will do my best