The Arduino peripheral expansion board has multiple functions in one

Accessory Shield for Arduino Development, Several Accessories IN One BoardAccessory Shield OverviewAccessory Shield integrates common used accessories/components listed as follows :Joystick (5 directions)Adjustable potentiometerBuzzerRGB LEDTemperature sensor3-axis digital accelerometerHigh precision RTC0.96inch OLEDXBee interfaceFeaturesArduino standard interfaces, compatible with Arduino boards like Arduino UNO, Leonardo, NUCLEO, XNUCLEOEasy to use, comes with underlying function libraries for all of the onboard accessories, just call the related functionOnboard XBee interface, supports connecting XBee wireless modules for remote communicationWhat's on BoardArduino expansion headers : for connecting with an Arduino boardXBee connectors : connecting XBee wireless modules0.96inch OLED : 128¡Á64 resolutionRGB LED : 256¡Á256¡Á256 colorsBuzzer : controlled by PWM, capable of playing simple music10K adjustable potentiometerADXL345 : 3-axis digital accelerometer, measuring range up to ¡À16gLM75BDP : temperature sensor, resolution up to 0.125¡æJoystick : 5 directionsXBee module state indicatorPower indicatorXBee module EASYLINK buttonXBee module and Arduino RESET buttonDS3231 : high precision RTC chipCR1220 battery holder : for RTC batteryP9813 : RGB LED driverDebugging/Communication selection jumperwhen connecting TXD and TX, RXD and RX respectively, it's able to debug/config the XBee module through Arduino board serial port by using host computer softwareWeight:0.019 kgPackage ListAccessory Shield x 1