CH552 CH554 Mini Dev Board [CH55x Series]

$1.90$2.20

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Description

Possible function, and about this series please read here. (not well organized page, sorry)

Github collect most sample code, but comments in chinese.

Features

  • USB Stick board size
  • Same board for CH552 or CH554, SSOP20 package.
  • On board power led
  • On board GPIO testing led P1.4
  • On board power regulator MIC5209, the IC has internal regulator, can power by 3.3/5V both.
  • 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.

Additional information

Weight N/A
WCH

CH552, CH554

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