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CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino
K4.1
  • CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino
  • K4.1

CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino

Rated 4.68 out of 5 based on 22 customer ratings
(22 customer reviews)
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Quick Overview:

  • Resettable fuse with 500mA
  • 3.3V / 5V real switchable
  • 3.3V comes with the transformer
  • Green Data reception indicator
  • Multifunction CTS access products
  • Dual protection circuit
  • Full-function pins 5P
  • Blue power indicator
Brand: Arduino SKU: AI0648
Category: USB Interface Module
Tags: CH340G USB, RS232 Module, RS232 to TTL, TTL Auto Converter, USB to RS232

₹79.06 (₹67.00 + GST)

Purchase this product now and earn 2 Zbotic Points!
Description
Additional information
Warranty
COO

Description:

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 to 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.


Features:

  • Resettable fuse with 500mA
  • 3.3V / 5V real switchable
  • 3.3V comes with the transformer
  • Green Data reception indicator
  • Multifunction CTS access products
  • Dual protection circuit
  • Full-function pins 5P
  • Blue power indicator
  • Stablemaster chip
  • Red data transmission indicator
  • Multifunctional RTS interface
  • Dual protection circuit

Specification:

Model Type Converter
Operating Voltage (V) 3.3 to 5
PCB Size ( L x W ) mm 40 x 25

Package Includes:

  • 1 x CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino
  • 1 x Connector cable
Tags: CH340G USB RS232 Module RS232 to TTL TTL Auto Converter USB to RS232
Also in USB Interface Module:
CJMCU-MINI USB 5V/3.3V Socket USB DC Power Socket AMS1117 ModuleCJMCU-2317 MCP23017 Serial Interface ModuleUSB Adapter Board Male To Female Adapter Micro USB/Type-C Interface 4P 2.54mmType-c USB 90 degree angle conversion adapter

Technical Specifications

BrandArduino
ModelCH340G
Interface / ProtocolRS232, USB, TTL
SKUAI0648
Weight0.01 kg
AvailabilityIn Stock

Applications & Use Cases

The CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino is a versatile usb interface module used across a wide range of applications including serial communication, industrial automation, data logging, PLC interfacing, and IoT gateway.

Common use cases:

  • Converting USB to RS485 for industrial equipment
  • Building a data logger for factory sensors
  • Debugging embedded systems via UART

This product is ideal for embedded system developers and industrial automation engineers.

Technical Tip: Industrial-grade modules with isolation protect against ground loops and voltage spikes in noisy environments.

Shipping & Delivery

  • Free shipping on orders above ₹999 across India
  • Dispatched within 1-3 business days
  • Expected delivery: 3-7 business days depending on location
  • Secure packaging to ensure safe transit of electronic components
  • Genuine Arduino product sourced from authorized channels
Weight 0.01 kg
Dimensions 8 × 6 × 2 cm
15 Days Warranty

Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Tags: CH340G USB RS232 Module RS232 to TTL TTL Auto Converter USB to RS232
Also in USB Interface Module:
ENC28J60 Ethernet Module (10 Pin Package: SSOP)Serial DB9 RS232/485 9 pin Terminal Female NutWaveshare Industrial Grade SIM7600G-H 4G DTU, USB UART/RS232/RS485 Multi Interfaces Communication, LTE Global Band SupportWaveshare PCIe TO M.2 Adapter, Supports Raspberry Pi Compute Module 4
Country Of Origin: China

22 reviews for CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino

  1. Avatar of Tanya Goyal
    Rated 5 out of 5

    Tanya Goyal (verified owner) – September 25, 2022

    Very satisfied with this CH340G USB to RS232 TTL Auto. Fast shipping and genuine components. Zbotic is the best!

  2. Avatar of Rishabh Bisht
    Rated 5 out of 5

    Rishabh Bisht (verified owner) – November 2, 2022

    This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.

  3. Avatar of Yashwant Singh
    Rated 5 out of 5

    Yashwant Singh – April 20, 2023

    Perfect CH340G USB to RS232 TTL Auto for IoT projects. Easy to set up and program. Great documentation available online.

  4. Avatar of Pankaj Mukherjee
    Rated 5 out of 5

    Pankaj Mukherjee (verified owner) – June 25, 2023

    Bought multiple units of this CH340G USB to RS232 TTL Auto. All working great. Best store for Arduino components.

  5. Avatar of Sanjay Kulkarni
    Rated 5 out of 5

    Sanjay Kulkarni – August 21, 2023

    Excellent CH340G USB to RS232 TTL Auto! Perfect for my Arduino project. All pins working correctly.

  6. Avatar of Sahil Kamath
    Rated 5 out of 5

    Sahil Kamath – November 9, 2023

    This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.

  7. Avatar of Ravi Choudhury
    Rated 5 out of 5

    Ravi Choudhury (verified owner) – December 21, 2023

    This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.

  8. Avatar of Abhishek Tiwari
    Rated 5 out of 5

    Abhishek Tiwari (verified owner) – December 25, 2023

    This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.

  9. Avatar of Tejas Kapoor
    Rated 5 out of 5

    Tejas Kapoor – January 4, 2024

    Bought multiple units of this CH340G USB to RS232 TTL Auto. All working great. Best store for Arduino components.

  10. Avatar of Ravi Naidu
    Rated 4 out of 5

    Ravi Naidu (verified owner) – March 9, 2024

    Pretty good CH340G USB to RS232 TTL Auto. Compatible with most libraries. Happy with the purchase.

  11. Avatar of Akash Verma
    Rated 5 out of 5

    Akash Verma (verified owner) – April 1, 2024

    This CH340G USB to RS232 TTL Auto made my robotics project so much easier. Highly recommended for students.

  12. Avatar of Naman Rao
    Rated 4 out of 5

    Naman Rao (verified owner) – April 22, 2024

    Nice CH340G USB to RS232 TTL Auto for the price. Using it in my college project, performs well.

  13. Avatar of Anirudh Sen
    Rated 5 out of 5

    Anirudh Sen (verified owner) – May 23, 2024

    Great CH340G USB to RS232 TTL Auto for my college mini project. Got good marks thanks to this working perfectly!

  14. Avatar of Naman Rawat
    Rated 4 out of 5

    Naman Rawat (verified owner) – May 27, 2024

    Good CH340G USB to RS232 TTL Auto. Took a while to get the drivers working but board itself is solid.

  15. Avatar of Diya Rathore
    Rated 4 out of 5

    Diya Rathore (verified owner) – July 31, 2024

    Good CH340G USB to RS232 TTL Auto. Works well with Arduino IDE. Headers could be soldered more neatly.

  16. Avatar of Rishabh Naidu
    Rated 4 out of 5

    Rishabh Naidu (verified owner) – October 19, 2024

    Decent quality CH340G USB to RS232 TTL Auto. Some pins needed cleaning but works fine now.

  17. Avatar of Yogesh Khapekar
    Rated 5 out of 5

    Yogesh Khapekar (verified owner) – January 6, 2025

  18. Avatar of Rohit Srivastava
    Rated 5 out of 5

    Rohit Srivastava (verified owner) – September 11, 2025

    Superb CH340G USB to RS232 TTL Auto! Compatible with all my existing Arduino shields and libraries.

  19. Avatar of Ajay Sharma
    Rated 5 out of 5

    Ajay Sharma – September 27, 2025

    Great CH340G USB to RS232 TTL Auto for my college mini project. Got good marks thanks to this working perfectly!

  20. Avatar of Pallavi Patel
    Rated 4 out of 5

    Pallavi Patel (verified owner) – November 10, 2025

    Good CH340G USB to RS232 TTL Auto. Works well with Arduino IDE. Headers could be soldered more neatly.

  21. Avatar of Deepak Naidu
    Rated 4 out of 5

    Deepak Naidu (verified owner) – December 28, 2025

    Pretty good CH340G USB to RS232 TTL Auto. Compatible with most libraries. Happy with the purchase.

  22. Avatar of Kabir Gill
    Rated 5 out of 5

    Kabir Gill (verified owner) – February 24, 2026

    Outstanding quality CH340G USB to RS232 TTL Auto. I teach electronics and order these in bulk for my classes.

Only logged in customers who have purchased this product may leave a review.

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