ITEM NAME:NodeMcu V3 CH340G ESP8266 32MB Module Wireless Internet Development Board Product Description Description: Description: 1. Noemcu V3 Lua's WiFi module integrates ESP8266 + additional memory 32M FLASH, USB serial port ch340g. 2. WiFi modern ESP8266 + 32MB, module is based on extensive exploration of ESP8266 system chips from expressif. WiFi modern ESP8266 + 32MB, compatible with nodemcu board. 3. We added an additional memory size of 32 MB. It's better to do a big project for big libraries. You don't have to worry about the size of your memory. There is a usb-ttl serial port converter ch340g and a miniature USB socket on board. 4. DC 4-9v PowerIn pin VIN. Needle row 2.54 mm (0.1") 15 X 2 wire pin settings. Do not weld. 5. Combining WiFi access point and characteristic station + microcontroller, it is simple to use Lua programming language. WiFi modern ESP 8266 + 32MB, provides: arduin0 hardware IO. 6. Ten d0-d10, PWM functional programming, IIC and SPI communication can be applied in arduin 0 IDE event-driven API network. 7. WiFi wireless network single and ADC (A0, etc. can be used as access point and/or station, host server) on a board can be connected to the Internet to obtain or upload data. Specification: Size: 50mm*25mm*5mm/1.96*0.98*0.19'' Weight: 7g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Wireless Internet Development Board.WiFi modern ESP8266 + 32MB, compatible with nodemcu board. There is a usb-ttl serial port converter ch340g and a miniature USB socket on board. WiFi modern ESP 8266 + 32MB, provides: arduin0 hardware IO.