CH551 Mini USB MCU DEV Board [CH55x Series]

Description

CH55x is the 8bit enhanced C51 MCU +  USB function board, design from WCH company. CH551 is the cheapest entry version of CH55x series.

Features

  • USB Stick board size
  • On board power led
  • On board GPIO testing led P3.0
  • No need programmer, not even USB-TTL tool! To enter into programming mode, use a tweezer, short connect the two pins in the middle of the board, where marked as “DL”
  • All lead out pins.

Price for one board only.

All documentation please find at CH55X wiki page, or customer github.

WCH CH55x Series:

Additional information

Weight 0.005 kg
Company

WCH

1 review for CH551 Mini USB MCU DEV Board [CH55x Series]

  1. 5 out of 5

    Ralph Doncaster (verified owner)

    Great little boards for learning the CH55x chips (and 8052 programming in general). You can do a lot with the 10kB (actually 12kB in my testing) of flash available on the CH551. Electrodragon has documented these boards well.
    http://nerdralph.blogspot.com/2020/07/getting-started-with-wch-ch551-and-ch552.html


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