N10 Demo Board User GuideCopyright © Neoway Technology Co., Ltd 11 OverviewN10 Development board is used to debug hardware and software. It provides a series of peripheralinterfaces including main power supply, UART interfaces, SIM card, antenna, ON/OFF control and USBinterface. All relevant debugging can be carried out on condition that power supply and UART interfaceare connected.2 N10 Description of InterfacesN10 development board interface and function description as following:Interface Function Description5V power interface Module main power input, module voltage: 3.6V ~ 4.5V.5V power switch Move the switch away from the 5V power interface to power on. Move theswitch towards 5V power interface to power off.SIM card interface Can be used to insert the SIM card.Serial port 1 Serial port 1 support serial function debugging, download and also it can offerpower to the module.Serial port 2 Not available on standard modules, other open platforms can be connected to thisperipheral (such as GPS module).Antenna interface GPRS antenna.Power(ON/OFF)key Press the ON / OFF key after supplying the power and hold it more than 1.2s, toturn on the module.USB port No support yet.Audio port MIC and SPK voice interface.