Description:
The CP2102 USB 2.0 to TTL UART Serial Converter Module is a compact and efficient interface solution designed to enable seamless communication between a USB-enabled device (like a computer) and microcontrollers or other UART-based devices. This module connects via a USB 2.0 interface and provides a TTL UART interface, allowing easy communication with microcontrollers, sensors, and peripherals that support UART serial protocols.
Powered by the CP2102 USB-to-UART bridge controller chip, the module ensures stable and high-speed serial communication. It supports both 3.3V and 5V operation, making it compatible with a wide range of microcontrollers and devices operating at different voltage levels.
With its compact form factor, LED indicators for power and data transmission, and built-in driver support for multiple operating systems, the CP2102 module is perfect for a variety of applications, including microcontroller programming, hardware debugging, and interfacing with sensors or other external devices. It is a reliable and versatile tool for both hobbyists and professionals working with UART communication in embedded systems.
Features:
- Stable and reliable chipset CP2102
- USB specification 2.0 compliant with full-speed 12Mbps
- Standard USB type A male and TTL 6-pin connector
- 6 pins for 3.3V, RST, TXD, RXD, GND & 5V
- Baud rates: 300 bps to 1.5 Mbps
- Byte receive buffer; 640-byte transmit buffer
- Hardware or X-On/X-Off handshaking supported
- Event character support and Line break transmission
- USB suspend states supported via SUSPEND pins
- Temperature Range: -40°C to +85°C
- Size: 42mm × 15mm
- Weight: 4g
Pinouts:
- TX = Connect to Transmit Pin (TXD) of Microcontroller. (This pin is RX pin of CP2102 on board.)
- RX = Connect to Receive Pin (RXD) of Microcontroller. (This pin is TX pin of CP2102 on board.)
- RST = Normally Unconnected. Reset Pin for CP2102. Initiate a system reset by driving this pin low for at least 15 µs.
- GND = Should be common to microcontroller ground.
- 3V3 = Optional output to power external circuit up to 50mA.
- 5V = Optional output to power external circuit up to 100mA.
Specifications:
- Stable and reliable chipset CP2102
- USB specification 2.0 compliant with full-speed 12Mbps
- Standard USB type A male and TTL 6-pin connector
- 6 pins for 3.3V, RST, TXD, RXD, GND & 5V
- Baud rates: 300 bps to 1.5 Mbps
Package Includes:
-
1 × CP2102 USB 2.0 to TTL UART Serial Converter Module
Technical Specifications
| Model | CP2102 |
|---|---|
| Interface / Protocol | UART, USB, TTL |
| SKU | AI0357 |
| Weight | 0.01 kg |
| Availability | Out of Stock |
Applications & Use Cases
The CP2102 USB 2.0 to TTL UART Serial Convertor Module 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

Anirudh Reddy (verified owner) –
Pretty good CP2102 USB 2.0 to TTL UART. Quality is reasonable for the price point.
Nikhil Vohra (verified owner) –
Excellent product! My college project is a success thanks to this CP2102 USB 2.0 to TTL UART from Zbotic.
Akash Rathore (verified owner) –
Nice CP2102 USB 2.0 to TTL UART. Does the job well. Good value for money.
Aditya Dubey (verified owner) –
Love this CP2102 USB 2.0 to TTL UART. Build quality is excellent. Will order more from Zbotic.
Sanya Menon –
Great quality CP2102 USB 2.0 to TTL UART. Fast delivery from Zbotic. Highly recommended.
Lokesh Parekh (verified owner) –
Superb CP2102 USB 2.0 to TTL UART! Value for money. Zbotic always delivers genuine products.
Om Khanna –
Nice CP2102 USB 2.0 to TTL UART. Does the job well. Good value for money.
Nandini Bose (verified owner) –
Very satisfied with this CP2102 USB 2.0 to TTL UART. My project is working perfectly now.
Swati Agarwal –
Bought this CP2102 USB 2.0 to TTL UART after researching many options. Best decision! Works flawlessly.
Rishabh Reddy (verified owner) –
Decent quality CP2102 USB 2.0 to TTL UART. Delivered on time. Satisfied with the purchase.
Vijay Gupta (verified owner) –
Good CP2102 USB 2.0 to TTL UART. Using it in my project. Minor issues but overall happy.
Om Rajan (verified owner) –
Excellent product! My college project is a success thanks to this CP2102 USB 2.0 to TTL UART from Zbotic.
Saurabh Bhandari (verified owner) –
Average CP2102 USB 2.0 to TTL UART. Works but quality could be slightly better.
Arnav Bhat (verified owner) –
Decent quality CP2102 USB 2.0 to TTL UART. Delivered on time. Satisfied with the purchase.
Zara Das (verified owner) –
Excellent CP2102 USB 2.0 to TTL UART! Works perfectly as described. Very happy with this purchase.
Mayursinh (verified owner) –
Good Conver in very less price, I used it to one of the controller and working fine if you connect correct piout.
Mayursinh (verified owner) –
it’s verygood convertor module, as per given protocol it is working fine. I used it in Woodward controller.