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I have recently been interacting with these cheap radar modules from China and works fine specifically the RCWL-0516 Microwave Radar Sensor. Now I wanted to integrate the entire circuit into a custom PCB for an application I am working on, It seems that the module uses the RCWL-9196 IC as indicated here on this schematic https://github.com/jdesbonnet/RCWL-0516 but I have looked for this IC online with no luck if anyone has leads on its package and where I can order one and also service the link to the fabrication guys will highly be appreciated. Thanks in advance

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    \$\begingroup\$ Why not simply buy the modules and use these directly on the PCB? Just use some pin headers / connectors to connect the two? Also not that there is more than just that RCWL9196 IC, there's also an RF transistor and some structures (antenna, inductors) on the PCB. If you don't fully understand how such a radar module works chances are that it will not work if you try to make your own. \$\endgroup\$ – Bimpelrekkie Apr 11 at 13:52
  • \$\begingroup\$ I clearly understand how the sensor works, the issue is that I want to compress my PCB into something much smaller, also the other available RF modules are more expensive \$\endgroup\$ – skndungu Apr 11 at 14:10
  • \$\begingroup\$ I want to compress my PCB into something much smaller OK, if that was easy, the designers of the module's PCB would have done that already to save cost. The RF part (antenna etc) is about half the PCB and you cannot make it smaller without influencing how it works. If you know how the circuit works, you would have known that. \$\endgroup\$ – Bimpelrekkie Apr 11 at 15:49
  • \$\begingroup\$ Oh!! yeah I agree \$\endgroup\$ – skndungu Apr 11 at 16:01

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