20pcs CH340G RS232 Upgrade USB to TTL Auto Converter Adapter STC Brush Module
Tax included.
Features:
There are power light PWR, and TXD and RXD indicators
Reserve RTS, CTS location
3.3V and 5V dual voltage selection
Support XP/WIN7/WIN8/WIN10 system
Anti-short-circuit, anti-overcurrent, anti-reverse, anti-high voltage multiple protection.
Package includes:
20 x Module
