Description
Reviews
| 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 |
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.
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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