Usage Tips:Is a very compact development board in development kit series. It provides more GPIOs for user customization which is very suitable for embedded smart home devices and in making smart toys. The main control adopts ESP32- chip which comes integrated with Wi-Fi technologies and has a 4MB of integrated SPI flash memory. Atom Lite board provides an Infra-Red LED, a RGB LED, buttons, and a HY2.0 interface. it can connect to external sensors and actuators through 6 GPIOs. The on-board Type-C USB interface enables rapid program upload and execution.Features:ESP32-basedRGB LED(SK6812)Programmable buttonBuilt-in Infra-redExtendable Pins & HolesProgram Platform: for , for UIFlowApplications:Internet of things terminal controller;IoT node;Wearable peripherals;ESP32: 240MHz dual core, 600 DMIPS, 520KB , Wi-FiFlash: 4MBPower Input: 5V 500mAPort: Type C x 1, GROVE(I2C+I/0+UART) x 1PIN Port: G19, G21,G22,G23,G25, G33RGB LED: SK6812 3535 x 1IR: Infrared missionButton: Custom button x 1Antenna: 2.4G 3D AntennaOperating Temperature: 0°C to 40°CColor: GreyMaterial: plasticPackage Contents:1 x Development BoardOnly above package content, other products are not included.Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.