CH559 Mini DEV Board [CH55x Series]

Possible function, and about this series please read here. (not well organized page, sorry) Github collect most sample code, but comments in chinese. CH559 has more features and space inside. Support USB hub, two USB transceiver, one is normal speed (female A USB pin “DP DM” and micro USB), one is high speed (On board

CH552 CH554 Mini Dev Board [CH55x Series]

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

CH551 Mini DEV Board [CH55x Series]

This is the first cheapest version of CH55x series. CH55x is the 8bit C51 MCU +  USB function board. From WCH company. All series CH551 CH552 CH554 CH559 will be avaialble. Very cheap CH551 IC raw cost only 1.5RMB/$0.25, we will also sell it. Possible function, and about this series please read here. (not well