# Lua Wifi NodeMCU development board, CH340G, ESP8266

> NodeMCU development board based on ESP8266, with Lua firmware and Arduino IDE compatibility. Provides WiFi 802.11 b/g/n 2.4GHz, 4MB Flash, 64KB SRAM, 80MHz clock, 16 digital I/O pins, 1 ADC (3.3V), UART, SPI, I2C. Serial communication via CH340G. Powered by 7-12VDC through Vin, 5VDC through Type-C or 3.3VDC through pin. Operating voltage 3.3VDC, does not tolerate 5V logic.

- Page: https://sigmanortec.ro/en/lua-wifi-nodemcu-development-board-ch340g-esp8266
- Price: 24.94 RON
- Availability: In stock; 1-2 zile
- Reference: 33088 · EAN: 5940979805846
- Category: Mechatronics and IoT > Development Board > IoT Development Boards, Wireless
- Package (shipping data): 0.011 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:49 (Europe/Bucharest)

## Description

Development board for IoT projects with integrated WiFi, based on ESP8266 and Lua firmware, compatible with Arduino IDE for rapid programming. Offers 802.11 b/g/n 2.4GHz connectivity, 4MB Flash, GPIO PWM I2C SPI and ADC interfaces for sensors and actuators, stable serial communication via CH340G, flexible power supply through Type-C or Vin.
NodeMcu IoT Wireless Development Board with Wifi ESP8266 compatible with Arduino IDE, ideal for the Internet of Things.
This is a board based on the open source Lua firmware and includes firmware based on the ESP-12 module.
It integrates GPIO, PWM, IIC, I2C, and ADC.
The board does not tolerate 5V logic voltage. Use a logic level converter if necessary.
The board may be incompatible with the latest version of the CH340 driver (2023). Download the driver from the Download section.
The board supports code compiled with Arduino IDE. For instructions follow this link.
Specifications:
Operating voltage: 3.3VDC
Power supply voltage: 7 - 12VDC via Vin, 5VDC via Type-C port, 3.3VDC via 3.3V pin
Processor: ESP8266 32-bit
Flash Memory: 4MB
SRAM: 64KB
Frequency, Clock Speed: 80 MHz
Serial communication: CH340
WiFi: 802.11 b/g/n, 2.4GHz
Digital I/O pins: 16
Analog input ADC pins: 1 (3.3V)
UART: 1
SPI: 1
I2C: 1