A
Anonymous
Apr 02, 2026
Rating: 4/5
Good value
Driver installation took some time on Windows 10 but works well once configured.
Description
ESP8266 Serial WiFi Module NodeMcu Mainboard Lua WIFI V3 IoT Development CH340
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chipset | ESP8266EX |
| Flash Memory | 4MB (32Mbit) |
| Input Voltage | 5V via Micro USB |
| Operating Voltage | 3.3V |
| Wi-Fi Standard | 802.11 b/g/n |
| GPIO Pins | 17 General Purpose I/O |
| USB Interface | Micro USB |
| USB-to-UART Chip | CH340 |
| Dimensions | 58mm x 31mm x 13mm |
| Weight | 10g |
5 reviews
A
Anonymous
Mar 31, 2026
Rating: 5/5
Stable connection
Wi-Fi range is sufficient for indoor use. I am using it for temperature monitoring.
A
Anonymous
Feb 28, 2026
Rating: 5/5
Great board for IoT
Works perfectly for my smart home sensors. Connection is stable and setup was straightforward.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Easy to use
Uploaded code via Arduino IDE without issues. Great value for the price point.
A
Anonymous
Jan 21, 2026
Rating: 5/5
Compact size
Fits nicely in my project enclosure. Pinout is clearly labeled on the board.
5 FAQ
Q: Is a USB cable included in the box?
A: No, the USB cable is sold separately. Please use a Micro USB data cable.
Q: Is this compatible with Arduino IDE?
A: Yes, you need to install the ESP8266 board package in the Board Manager.
Q: Does it support deep sleep mode?
A: Yes, deep sleep mode is supported for low power battery projects.
Q: Is the logic level 3.3V or 5V?
A: The GPIO logic level is 3.3V. Do not connect 5V directly to GPIO pins.
Q: What is the maximum current per GPIO?
A: Each GPIO pin can source or sink up to 12mA safely.
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