The packaging only contains one development board Whether you are a beginner or an expert, modules are your microcontrollers! Through simple programming and compatible breadboard design in Lua scripts, it ensures easy prototyping design. You will have the opportunity to develop unique and amazing projects related to the Internet of Things, decorative LED clocks, and indoor air quality measurement tools. The card adopts TSMC 2.4GHz dual mode Wi Fi and Bluetooth chips, as well as 40nm low-power technology. This module has 38 pins, providing more functionality than a 30 pin module. It is also smaller and more convenient to use. Provide useful information on how to start a project. It allows for fast installation and saves time in the configuration process. Here is a series of sample applications, complete installation guides, and libraries.