A
Anonymous
Mar 16, 2026
Rating: 5/5
Reliable for smart home projects
Using these for my light switches. Stable connection and easy to program.
Description
ESP8266 Serial WiFi Module NodeMcu V3 Lua IoT Smart Home Central Control Development Board
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ESP8266EX |
| Flash Memory | 4MB (32Mbit) |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro USB |
| Digital I/O Pins | 17 Pins |
| Analog Input Pins | 1 Pin (A0) |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| CPU Clock Speed | 80MHz / 160MHz |
| USB Interface | Micro USB (CH340G) |
| Board Dimensions | 58mm x 31mm x 13mm |
5 reviews
A
Anonymous
Mar 08, 2026
Rating: 5/5
Perfect for IoT starters
Great board for learning IoT. Connected to Wi-Fi instantly using Arduino IDE.
A
Anonymous
Mar 03, 2026
Rating: 5/5
Excellent for university projects
Bought for my final year project. Documentation online is plentiful.
A
Anonymous
Feb 17, 2026
Rating: 4/5
Good value but needs patience
Works well once configured. Driver installation took some time on Windows 10.
A
Anonymous
Jan 22, 2026
Rating: 4/5
Solid hardware
Pinout is standard. Wish it had more analog pins but otherwise great.
5 FAQ
Q: Is this compatible with the Arduino IDE?
A: Yes, you can program it using the Arduino IDE with the ESP8266 board manager.
Q: Can I power it with a 3.3V regulator directly?
A: Yes, you can supply 3.3V to the 3.3V pin, but ensure stable power supply to avoid resets.
Q: Are the header pins pre-soldered?
A: This version typically comes with unsoldered headers unless specified otherwise in the variant selection.
Q: What is the maximum current per GPIO pin?
A: The maximum current per GPIO pin is approximately 12mA. Please do not exceed this to avoid damage.
Q: Does this board support MQTT protocol?
A: Yes, the ESP8266 supports MQTT libraries widely used for IoT communication.
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