Recently JLCPCB provides the PCB SMT service start from $7, usually, $7 can almost cover the assembly cost. that means you can get the sample boards assembled free. What good news, but some people do not how to place the SMT order online, so I am going to give a guide.
There are specific steps for your reference.
Quote now → Add your Gerber File → SMT Assembly → Upload BOM &CPL File → Select Pa...