Product introduction:

Adopting original CH340G chip, this series of chip is officially recommended by STC USB to TTL chip, there will be no incompatibility due to different drivers/different computers etc. With TXD and RXD indicators, convenient to intuitively know whether the product is working without instruments. Can be used for devices with TTL serial interface to update the firmware download programme, support for microcontrollers that can use the serial ISP to download the programme.

Parameter performance:

Support mainstream versions of Windows 32164 bit system
Support Linux, MAC 32/64-bit systems
With 3.3V and 5V power output selection jumper cap
Pin out CTS and DTR pins

Pinout Interface:

Supports mainstream versions of Windows 32164-bit systems
Supports Linux, MAC 32164-bit systems
With 3.3V and 5V power output selector jumper cap
Leads to CTS and DTR pins
VCC: Output 5V when the jumper cap jumps to VCC and 5V; Output 3.3V when the jumper cap jumps to VCC and 3.3V; GND: Power ground pin
RX1: TTL serial port data receive pin
TXO: TTL Serial Data Transmit Pin
CTS:Clear To Send
DTR:Data Terminal Ready Data Terminal Ready

Instructions for use:

Install the CH340 driver, the computer device manager will appear in the serial port number, with a wire short TX and RX pins, the computer open the serial port assistant, verify that the USB to TTL serial board self-collecting and self-sending data.