Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	CP2102
Interface Type	USB to TTL UART
Operating Voltage	3.3V / 5.0V Selectable
Baud Rate Range	300 ~ 921600bps
USB Connector	Micro USB Type B
Signal Pins	VCC, TXD, RXD, GND
LED Indicators	Power, TX, RX
Board Dimensions	26mm x 15mm
OS Compatibility	Windows, macOS, Linux
Weight	3g

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Works perfectly with ESP32

Used this to program my ESP32 modules without any issues. Drivers were easy to install on Windows 10.

Anonymous

Apr 10, 2026

Rating: 5/5

Essential for hobbyists

I keep one of these in every toolkit. Stable connection and clear LED indicators.

Anonymous

Apr 01, 2026

Rating: 5/5

Fast shipping and quality product

Arrived quickly and works as described. Tested on Linux Ubuntu without driver issues.

Anonymous

Mar 09, 2026

Rating: 5/5

Compact and reliable

Great little board for debugging serial output. The voltage selector jumper is very convenient.

Anonymous

Mar 08, 2026

Rating: 4/5

Good value for money

Does the job well. Only giving 4 stars because the pin headers were not included soldered.

5 FAQ

Q: Are drivers needed for macOS?

A: Yes, please download the CP210x VCP drivers from the Silicon Labs website.

Q: Does this support 3.3V logic?

A: Yes, there is a jumper to select between 3.3V and 5.0V output.

Q: What is the pin spacing?

A: The pins are standard 2.54mm pitch, compatible with most breadboards.

Q: Can this power an ESP8266?

A: It can provide limited power, but we recommend external power for stable operation.

Q: Is the USB cable included?

A: No, the package includes the module and pin headers only. Cable sold separately.

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