CH340G to TTL Serial ConverterSKU 2045

Sensors & Modules

CH340G to TTL Serial Converter

₹150

01 — About

What it does

The CH340G to TTL Serial Converter offers a cost-effective USB-to-TTL serial solution. Widely used for Arduino programming, ESP flashing, and serial debugging, it provides reliable communication at a budget-friendly price.

Key features

  • CH340G USB to TTL serial conversion
  • 3.3V and 5V operation on TTL side
  • USB Type-A or micro-USB connector
  • TX and RX LEDs for activity indication
  • DTR pin for auto-reset programming
  • Low cost alternative to FTDI
  • Wide OS compatibility with available drivers

Good to know

  • Install CH340 driver before use (Windows/macOS may not auto-detect)
  • Some Windows 10/11 versions require driver signature override
  • Verify voltage jumper/switch set correctly (3.3V or 5V)
  • DTR line needed for auto-reset on Pro Mini and ESP
  • CH340E is smaller variant with fewer handshake pins

02 — Datasheet

Specifications

08
IC
CH340G
USB Side
USB Type-A or Micro-USB
TTL Side
3.3V / 5V
Max Baud Rate
2Mbps
Channels
TX, RX, DTR, RTS
Operating Voltage
5V (USB), 3.3V/5V output
Driver
CH340 driver required
Dimensions
33mm x 17mm