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Description: This is an intelligent hardware development kit, which support for the cloud. This is the most cost-effective Internet of Things development board,you do not need to understand the network, TCP / IP and other complex knowledge, as long as you understand C language,you can use it to achieve secondary development. This DEMO board can use the mobile phone traffic control onboard RGB colorful lights, APP, the ambient brightness can be displayed by a photoresistor. Just make a slight change to the code, you can make a telecontrol device of your own. Specification: Supports 3 modes: AP,STA,AP+STA LDR Lignt Sensor on board WS2812 Led on board Package include: 1 * Witty Cloud Development Board