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
Technical Specifications
| Brand | Arduino |
|---|---|
| Model | CH340G |
| Interface / Protocol | RS232, USB, TTL |
| SKU | AI0648 |
| Weight | 0.01 kg |
| Availability | In 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





Tanya Goyal (verified owner) –
Very satisfied with this CH340G USB to RS232 TTL Auto. Fast shipping and genuine components. Zbotic is the best!
Rishabh Bisht (verified owner) –
This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.
Yashwant Singh –
Perfect CH340G USB to RS232 TTL Auto for IoT projects. Easy to set up and program. Great documentation available online.
Pankaj Mukherjee (verified owner) –
Bought multiple units of this CH340G USB to RS232 TTL Auto. All working great. Best store for Arduino components.
Sanjay Kulkarni –
Excellent CH340G USB to RS232 TTL Auto! Perfect for my Arduino project. All pins working correctly.
Sahil Kamath –
This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.
Ravi Choudhury (verified owner) –
This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.
Abhishek Tiwari (verified owner) –
This CH340G USB to RS232 TTL Auto is genuine quality. My students love working with it in our robotics lab.
Tejas Kapoor –
Bought multiple units of this CH340G USB to RS232 TTL Auto. All working great. Best store for Arduino components.
Ravi Naidu (verified owner) –
Pretty good CH340G USB to RS232 TTL Auto. Compatible with most libraries. Happy with the purchase.
Akash Verma (verified owner) –
This CH340G USB to RS232 TTL Auto made my robotics project so much easier. Highly recommended for students.
Naman Rao (verified owner) –
Nice CH340G USB to RS232 TTL Auto for the price. Using it in my college project, performs well.
Anirudh Sen (verified owner) –
Great CH340G USB to RS232 TTL Auto for my college mini project. Got good marks thanks to this working perfectly!
Naman Rawat (verified owner) –
Good CH340G USB to RS232 TTL Auto. Took a while to get the drivers working but board itself is solid.
Diya Rathore (verified owner) –
Good CH340G USB to RS232 TTL Auto. Works well with Arduino IDE. Headers could be soldered more neatly.
Rishabh Naidu (verified owner) –
Decent quality CH340G USB to RS232 TTL Auto. Some pins needed cleaning but works fine now.
Yogesh Khapekar (verified owner) –
Rohit Srivastava (verified owner) –
Superb CH340G USB to RS232 TTL Auto! Compatible with all my existing Arduino shields and libraries.
Ajay Sharma –
Great CH340G USB to RS232 TTL Auto for my college mini project. Got good marks thanks to this working perfectly!
Pallavi Patel (verified owner) –
Good CH340G USB to RS232 TTL Auto. Works well with Arduino IDE. Headers could be soldered more neatly.
Deepak Naidu (verified owner) –
Pretty good CH340G USB to RS232 TTL Auto. Compatible with most libraries. Happy with the purchase.
Kabir Gill (verified owner) –
Outstanding quality CH340G USB to RS232 TTL Auto. I teach electronics and order these in bulk for my classes.