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CP2102 USB to TTL Converter
The CP2102 USB to TTL Converter is a reliable, compact serial communication module built around the Silicon Labs CP2102 chip. It provides seamless USB to UART TTL-level conversion, making it essential for programming microcontrollers like Arduino Pro Mini, ESP8266, ESP32, and STM32, as well as for serial debugging and data logging. Trusted by engineers and hobbyists across India, available now from The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and expert technical support.
Specifications
| Bridge Chip | Silicon Labs CP2102 |
| Interface | USB 2.0 Full Speed to UART TTL |
| Logic Level Output | 3.3V TTL (some variants include 5V pin) |
| Baud Rate Range | 300 bps to 1 Mbps |
| Output Pins | TXD, RXD, GND, 3.3V, 5V, DTR, CTS, RTS (pin availability varies by board variant) |
| USB Connector | Micro-USB / Mini-USB (varies by variant) |
| Operating Voltage | 5V via USB bus-powered |
| Output Voltage Levels | 3.3V TTL logic; 5V power output from USB VBUS |
| Driver Support | Windows (XP/7/8/10/11), macOS, Linux (built-in kernel support) |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity | None, Even, Odd, Mark, Space |
| ESD Protection | Built-in on USB pins |
| Current Output (3.3V pin) | Up to 100 mA (from internal regulator) |
| Board Dimensions | Approx. 50 mm x 16 mm (compact breakout form factor) |
| Operating Temperature | -40 degreesC to +85 degreesC |
| LED Indicators | TX and RX activity LEDs on most board variants |
| Type | USB to Serial / UART Converter Module |
| Origin | Original/Authentic Silicon Labs CP2102 IC |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why Choose the CP2102 USB to TTL Converter?
- Genuine Silicon Labs CP2102 chip - 100% authentic IC sourced from trusted suppliers, ensuring stable and reliable serial communication without the driver issues common with counterfeit chips
- Plug-and-play on all major OS - Native driver support on Windows 10/11, macOS, and Linux means you spend time building, not troubleshooting driver conflicts
- Wide baud rate range up to 1 Mbps - Supports everything from low-speed sensor logging to high-speed firmware flashing without data loss
- 3.3V logic level output - Directly compatible with modern 3.3V microcontrollers (ESP8266, ESP32, STM32) without requiring external level shifters
- DTR pin for auto-reset programming - Enables one-click firmware upload on Arduino Pro Mini, ESP8266, and similar boards without manually pressing reset buttons
- Compact breakout board design - Breadboard-friendly header pins and small footprint fit easily into prototyping setups and enclosures
- TX/RX activity LEDs - Visual confirmation of data transmission and reception for quick debugging
- Built-in ESD protection - Protects your USB port and connected devices from electrostatic discharge damage
- Low power consumption - Bus-powered from USB with minimal current draw, ideal for portable and battery-adjacent applications
- 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse - Fast delivery across India with same-day dispatch available in Bengaluru
- Expert technical support included - Get wiring diagrams, driver installation help, and troubleshooting guidance from our engineering team
Project Ideas
- Arduino Pro Mini Programming: Use the CP2102 as a dedicated USB programmer for the Arduino Pro Mini. Connect TXD to RXD, RXD to TXD, DTR to DTR (through a 100nF capacitor for auto-reset), and upload sketches directly from the Arduino IDE without needing an onboard USB port.
- ESP8266/ESP32 Firmware Flashing: Flash NodeMCU firmware, MicroPython, or custom Arduino sketches onto bare ESP8266 (ESP-01, ESP-12) and ESP32 modules. The DTR and RTS pins can be wired to GPIO0 and RST for automatic boot mode entry during upload.
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy CP2102 USB to TTL Converter Online in India
Purchase the CP2102 USB to TTL Converter online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on CP2102 USB to TTL Converter with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy CP2102 USB to TTL Converter at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
CP2102 USB to TTL Converter
The CP2102 USB to TTL Converter is a reliable, compact serial communication module built around the Silicon Labs CP2102 chip. It provides seamless USB to UART TTL-level conversion, making it essential for programming microcontrollers like Arduino Pro Mini, ESP8266, ESP32, and STM32, as well as for serial debugging and data logging. Trusted by engineers and hobbyists across India, available now from The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and expert technical support.
Specifications
| Bridge Chip | Silicon Labs CP2102 |
| Interface | USB 2.0 Full Speed to UART TTL |
| Logic Level Output | 3.3V TTL (some variants include 5V pin) |
| Baud Rate Range | 300 bps to 1 Mbps |
| Output Pins | TXD, RXD, GND, 3.3V, 5V, DTR, CTS, RTS (pin availability varies by board variant) |
| USB Connector | Micro-USB / Mini-USB (varies by variant) |
| Operating Voltage | 5V via USB bus-powered |
| Output Voltage Levels | 3.3V TTL logic; 5V power output from USB VBUS |
| Driver Support | Windows (XP/7/8/10/11), macOS, Linux (built-in kernel support) |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity | None, Even, Odd, Mark, Space |
| ESD Protection | Built-in on USB pins |
| Current Output (3.3V pin) | Up to 100 mA (from internal regulator) |
| Board Dimensions | Approx. 50 mm x 16 mm (compact breakout form factor) |
| Operating Temperature | -40 degreesC to +85 degreesC |
| LED Indicators | TX and RX activity LEDs on most board variants |
| Type | USB to Serial / UART Converter Module |
| Origin | Original/Authentic Silicon Labs CP2102 IC |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why Choose the CP2102 USB to TTL Converter?
- Genuine Silicon Labs CP2102 chip - 100% authentic IC sourced from trusted suppliers, ensuring stable and reliable serial communication without the driver issues common with counterfeit chips
- Plug-and-play on all major OS - Native driver support on Windows 10/11, macOS, and Linux means you spend time building, not troubleshooting driver conflicts
- Wide baud rate range up to 1 Mbps - Supports everything from low-speed sensor logging to high-speed firmware flashing without data loss
- 3.3V logic level output - Directly compatible with modern 3.3V microcontrollers (ESP8266, ESP32, STM32) without requiring external level shifters
- DTR pin for auto-reset programming - Enables one-click firmware upload on Arduino Pro Mini, ESP8266, and similar boards without manually pressing reset buttons
- Compact breakout board design - Breadboard-friendly header pins and small footprint fit easily into prototyping setups and enclosures
- TX/RX activity LEDs - Visual confirmation of data transmission and reception for quick debugging
- Built-in ESD protection - Protects your USB port and connected devices from electrostatic discharge damage
- Low power consumption - Bus-powered from USB with minimal current draw, ideal for portable and battery-adjacent applications
- 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse - Fast delivery across India with same-day dispatch available in Bengaluru
- Expert technical support included - Get wiring diagrams, driver installation help, and troubleshooting guidance from our engineering team
Project Ideas
- Arduino Pro Mini Programming: Use the CP2102 as a dedicated USB programmer for the Arduino Pro Mini. Connect TXD to RXD, RXD to TXD, DTR to DTR (through a 100nF capacitor for auto-reset), and upload sketches directly from the Arduino IDE without needing an onboard USB port.
- ESP8266/ESP32 Firmware Flashing: Flash NodeMCU firmware, MicroPython, or custom Arduino sketches onto bare ESP8266 (ESP-01, ESP-12) and ESP32 modules. The DTR and RTS pins can be wired to GPIO0 and RST for automatic boot mode entry during upload.
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy CP2102 USB to TTL Converter Online in India
Purchase the CP2102 USB to TTL Converter online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on CP2102 USB to TTL Converter with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy CP2102 USB to TTL Converter at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.