Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP8266EX
Operating Voltage	3.3V
Flash Memory	4MB
Clock Speed	80MHz / 160MHz
Digital I/O Pins	11
Analog Input Pins	1 (A0)
WiFi Standard	802.11 b/g/n
Interface	Micro USB
Dimensions	25.6mm x 34.2mm
Compatibility	Arduino IDE, NodeMCU, Lua

5 reviews

Anonymous

Apr 03, 2026

Rating: 4/5

Solid performance

Remember it is 3.3V logic. Great for low power projects.

Anonymous

Mar 28, 2026

Rating: 5/5

Reliable ESP8266 variant

The WeMos form factor is very convenient for shields.

Anonymous

Feb 09, 2026

Rating: 4/5

Good value board

Works well but pins are close together. Need careful soldering.

Anonymous

Jan 30, 2026

Rating: 5/5

Perfect for beginners

Lots of tutorials available. Uploaded first sketch in minutes.

Anonymous

Jan 25, 2026

Rating: 5/5

Excellent for Home Automation

Used this for my smart lights. Connection is stable and setup was easy.

5 FAQ

Q: Does it have Bluetooth functionality?

A: No, the ESP8266 chip only supports WiFi connectivity.

Q: Does it come with headers soldered?

A: Yes, the standard version comes with pre-soldered male headers.

Q: Can I power it with 5V?

A: You can supply 5V via the VIN pin, but logic level is 3.3V.

Q: What is the maximum current per pin?

A: It is recommended to draw no more than 12mA per GPIO pin.

Q: Is this compatible with Arduino IDE?

A: Yes, you can program it using the Arduino IDE with ESP8266 board manager.

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