Attributes

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

5 reviews

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.

5 FAQ

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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