Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ATmega328P & ESP8266 |
| USB Interface | CH340 Serial Port |
| Operating Voltage | 5V |
| Digital I/O Pins | 14 |
| Analog Input Pins | 6 |
| Flash Memory | 32 KB |
| SRAM | 2 KB |
| EEPROM | 1 KB |
| Wi-Fi Frequency | 2.4 GHz |
| Board Dimensions | 68mm x 53mm |
Anonymous
Apr 13, 2026
Rating: 4/5
Good board, install drivers
Works well once you install the CH340 drivers. Make sure to download them first if your computer doesn't recognize the USB.
Anonymous
Mar 30, 2026
Rating: 5/5
Beginner Friendly
Used this for my first smart lamp project. Community support is huge and helped me troubleshoot quickly.
Anonymous
Feb 14, 2026
Rating: 5/5
Great Value
Comes with headers and cable. Saves time soldering. Highly recommend for anyone starting with ESP8266.
Anonymous
Feb 14, 2026
Rating: 5/5
Perfect for IoT Projects
Exactly what I needed for my home automation setup. Wi-Fi connectivity is stable and the board is easy to program.
Anonymous
Jan 21, 2026
Rating: 3/5
Decent but learning curve
Hardware is fine, but figuring out how to switch between ESP and Arduino modes took some research online.
Q: What is the Wi-Fi range?
A: Typical indoor range is around 30 meters depending on obstructions.
Q: Does it support 3.3V logic?
A: The ESP8266 part operates at 3.3V, while the UNO part operates at 5V.
Q: Can I power this via USB?
A: Yes, the included USB cable provides sufficient power for most operations.
Q: Are the pin headers pre-soldered?
A: No, they are included in the package for you to solder yourself.
Q: Is this compatible with Arduino IDE?
A: Yes, fully compatible with Arduino IDE after adding ESP8266 board manager URL.
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