Products
CH340G USB to TTL Serial Port Module pro mini/STC ISP Downloader USB to TTL with Flow Control -71412
product detail
Parameter performance
Support mainstream versions of Windows 32/64 bit systems
Support Linux, MAC 32/64 bit system
With jumper caps for 33V and 5V power output selection
Pin out CTS and DTR pins
Pin interface
VCC: 5V output when jumper cap jumps to VCC and 5V; 3.3V output when jumper cap jumps to VCC and 3.3V.
GND: Power ground pin
RX: TTL serial data receive pin
TXO: TTL serial data send pin
CTS:Clear To Send clear to send
DTR:Data Terminal Ready
Instructions for use
Install the CH340 driver, the serial port number will appear in the computer device manager, short the TX and RX pins with wires, open the serial port assistant on the computer and verify that the USB to TTL serial port board receives and sends data on its own.
Support mainstream versions of Windows 32/64 bit systems
Support Linux, MAC 32/64 bit system
With jumper caps for 33V and 5V power output selection
Pin out CTS and DTR pins
Pin interface
VCC: 5V output when jumper cap jumps to VCC and 5V; 3.3V output when jumper cap jumps to VCC and 3.3V.
GND: Power ground pin
RX: TTL serial data receive pin
TXO: TTL serial data send pin
CTS:Clear To Send clear to send
DTR:Data Terminal Ready
Instructions for use
Install the CH340 driver, the serial port number will appear in the computer device manager, short the TX and RX pins with wires, open the serial port assistant on the computer and verify that the USB to TTL serial port board receives and sends data on its own.