I have similar concerns. If you can't source all the discrete components, PCBs, solder, masks, connectors, general hardware (nuts bolts, screws, etc), you're st

I have similar concerns. If you can't source all the discrete components, PCBs, solder, masks, connectors, general hardware (nuts bolts, screws, etc), you're still dependent on a world wide supply chain. For both Digikey and Mouser, there's no way to even see or filter for Country of origin.