Specification: _x005f_x000D_ ESP8266 CH340 _x005f_x000D_ NodeMCU v3 Lua's wifi module integrates ESP8266 with additional memory 32M FLASH and USB serial port ch340g _x005f_x000D_ WiFi module ESP8266+32MB _x005f_x000D_ This module is based on expressif's extensive exploration of ESP8266 system on a chip. _x005f_x000D_ WiFi module ESP8266+32MB, compatible with NodeMCU board. _x005f_x000D_ We have added 32MB of additional memory. _x005f_x000D_ Micro USB socket. _x005f_x000D_ DC 4-9v PowerIn pin VIN. _x005f_x000D_ Pin arrangement 2.54 mm (0.1'') 15 X 2 pin setting. _x005f_x000D_ Do not weld. It is very simple to combine WiFi access points with dedicated stations and microcontrollers using Lua programming language. _x005f_x000D_ WiFi module ESP8266+32MB, providing support for arduino hardware IO. _x005f_x000D_ 10 d0-d10 can be used for arduino IDE event driven API networks, PWM function programming, IIC and SPI communication, WiFi wireless network chips, and ADCs (A0, etc.) that can serve as access points and/or stations, hosts on a server, and connect to the internet to obtain or upload data. _x005f_x000D_ _x005f_x000D_ ESP8266 CP2102 _x005f_x000D_ The module is based on extensive exploration from expressif esp8266 system on a chip. _x005f_x000D_ WiFi module esp8266+for nodemcu board 8MB _x005f_x000D_ One TTL serial USB serial port cp2102, with a micro USB socket _x005f_x000D_ DC power is 4-9V, VIN pin _x005f_x000D_ Pin arrangement 2.54mm (0.1) x 2 lines in 15 pins _x005f_x000D_ Its features include WiFi access points, federated stations, microcontrollers, and the use of a simple Lua programming language _x005f_x000D_ WiFi module esp8266+8MB, providing: support for Arduino hardware IO. _x005f_x000D_ Size: 50 * 25 * 1mm/1.96 * 0.98 * 0.03inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Development Board 1. High-Quality Material: The ESP8266 module is made with high-quality materials, ensuring its durability and longevity. 2. Flexible Programming Language: This WiFi module supports Lua programming language, making it easy to integrate with other systems. 3. Additional Memory: The module features an additional 32MB/8MB of flash memory for more efficient data storage and retrieval. 4. Multiple Pins: With 15 x 2 pins available, this module can be used for a variety of applications, including PWM function programming, IIC and SPI communication, and ADC (A0) as an access point or station.