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by le-mark 1713 days ago
Are these ch554 family parts available in bulk? I don’t find them on mouser or Digikey for example.
2 comments
tyingq 1713 days ago
The manufacturer appears to support direct purchase: http://www.wch-ic.com/services/buy_process.html

LCSC is another option: https://lcsc.com/products/Microcontroller-Units-MCUs-MPUs-SO...

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linux_is_nice 1713 days ago
You can find them on lcsc.
link