Development board ESP8266 ESP12. Educational module of ESP8266 systems. Possibility to communicate with PC-CH340-ESP8266. Perfect for stacking GIPO, I2C, rs232, PWM, 1wire. The design is based on the ESP8226 system Equipped with a 3.3V voltage stabilizer Equipped with a USB-to-UART CH340 converter (power supply and programming directly from the USB port) Programming using the LUA or Arduino IDE scripting language, version min. 1.6.4. Specification: - The module is based on the ESP8266 system - 10 GPIO - each can act as PWM, I2C or 1-Wire - Flash memory: 4 MB - Built-in microUSB connector - USB-UART converter CP2102 - Built-in PCB antenna - Pin pitch: 2.54 mm - Spacing of connectors: 23 mm - Module dimensions: 49 x 25 mm Recommend uploading firmware with 115200 b / s, and the Lua program with 9600 b / s. https://elecena.pl/product/22605016/nodemcu-v2-cp2102-wifi-esp8266-lua-arduino 2023-02-22 https://elecena.pl/product/22605016/nodemcu-v2-cp2102-wifi-esp8266-lua-arduino 2025-10-29