<p>CPUModel: Allwinner H3; Number of Cores: Quad-core; Frequency: 4*-A7 Up to 1.2GHz; MemoryRAM: 512MB; StorageeMMC: 8GB</p> <p>MicroSD Slot: MicroSD*1 for external storage up to 128GB; Connectivity WiFi: 802.11b\/g; Bluetooth: 4.0 dual mode; Antenna*1: IPX Connector</p> <p>Audio Audio input\/output Port: 2.0mm pitch 4-pin header; Video DVP Camera: 0.5mm pitch 24 pin FPC seat; USB MicroUSB*1: MicroUSB 2.0, OTG \u0026 Power In, Type A; USB Host: 2.54mm pin*2</p> <p>Pin-header GPIO1: 2.54mm spacing 24pin,It includes UART,SPI,I2C,GPIO; GPIO2: 2.54mm spacing 12pin,It includes USBx2,IR,SPDIF,I2S; Serial Debug Port: 2.54mm pitch 4-pin-header; Audio input\/output Port: 2.0mm pitch 4-pin header</p> <p>LED Power LED(Red)*1; STAT LED(Green)*1; Others Working Temperature: -20 to 70; Power DC 5V\/2A; OS Support: FriendlyCore 16.04(based on UbuntuCore-16.04); FriendlyCore (Base on 20.04)</p> <p> version Linux-4.14-</p> <p>U-boot-2017.11</p> <p>uboot supports fastboot to update uboot</p> <p>FriendlyCore</p> <p>rpi-monitor: check system status and information</p> <p>npi-config: system configuration utility for setting passwords, language, timezone, hostname, SSH and auto-login, and enabling\/disabling i2c, spi, serial and PWM</p> <p>NetworkManager: manage network</p> <p>software utility: RPi.GPIO_NP to access GPIO pins</p> <p>welcome window with basic system information and status</p> <p>auto-login with user account \</p>