This module is based on the CH340 USB to UART interface converter chip, which can be used for easily adding USB connectivity to your projects.
• On-board CH340 USB-RS232 interface converter chip
• On-board power indicator
• On-board USB male plug for easy computer connection
• TTL chip pins have been routed out to facilitate communication with the MCU
• Working Voltage: 5 V
• Board Size: 18.2mm x 15 mm
10pcs CH340 USB to TTL UART Serial Converter Chip Module 5V with USB Male Plug and Power Indicator from Optimus Electric - B0731DM76P