This USB to TTL bridge is a module, base on CH340 series USB-TTL bridge, and it is a budget solution for connecting micro-controllers and other digital serial devices to PC.
This board uses 5V signal levels by default. Also tolerance for 3.3V logic level signals.
The board has a power out for DC 5V and 3.3V. With limit of currency 500mA.
USB 2.0 (12 Mbps)
Up to 1024 Bytes
Up to 2 Mbps
–40 to +85 °C
Tolerance to 3.3V/5V
15.5 X 23mm
Full speed USB device interface, conforms to USB Specification Version 2.0
3.3V and 5V compatible I/Os.
Supports baud rate varies from 2400bps to 115200bps.
Hardware full duplex serial interface, set transceiver buffer
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