•     Switchable output TTL level 3.3V/5V (with jumper)
  
•     3.3V and 5V output voltage to supply the programmed controller
  
•     With power light PWR, TXD and RXD indicator light
  
  

Features :

• This is a USB 2.0 to TTL UART CH340/CH340G Module Serial Converter.
• Designed to be used for USB to TTL
• Built-in USB to RS232 Transfer chip CH340G
• USB specification 2.0 compliant with full-speed 12Mbps.
• Standard USB type A male and TTL 5pin connector.
• Event character support Line break transmission.
• USB suspend states supported via SUSPEND pins.
• Used to upgrade various device
  
• Used for different diagnostics
  
• Can be used for Gas LPG ECU interface adjustments

This is CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino.

New original CH340G chips, the chips are STC official recommendation USB to TTL chips which will not appear due to a different drive / different computer as a result of incompatibilities. Golden appearance, quality, and upscale yellow pin durable than the black market. It’s also beautiful.

It not only has the power light PWR, TXD, and RXD LEDs but also reserved RTS, CTS location convenient and intuitive know whether the product is at work in the absence of the instrument case. 3V3 and 5V by a short circuit risk selection.

Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA /Server 2008 / Win7 / Win8 32 Bit / 64.