Search Results - CH55

USB CDC Touch Relay Control Board CH554

Application: Based on WCH microcontroller, default flashed USB CDC communication application: Basic demo USB to relay control, send 'A' will toggle relay. Baudrate 57600 USB send and read to UART1 interface (TX1 / RX1) Board Features: Relay Control: On board 10A 250VAC, 30VDC relay. Lead out all pins from the...

CH552 CH554 USB MCU Mini DEV Board [CH55x Series]

Features USB Stick board size Same footprint and compatible pins for CH552 or CH554, SSOP20 package. On board power led On board GPIO testing led P1.4 On board power regulator 3.3V, jumper select 3.3V or 5V power chip. No need extra programmer, not even USB-TTL tool! To enter into...

CH551 Mini USB MCU DEV Board [CH55x Series]

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...