linux arm development board for beginners

{"cid":"91222545","title":"Neardi Rockchip SBC LKD3568J Arm Development Board Linux RK3568","imgUrl":"https:\/\/img.chinax.com\/nimg\/a9\/0b\/825f3e0bf6599325015d2ec5cb6b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Neardi","Model Number":"LKD3568J","Minimum Order Quantity":"1 piece","Delivery Time":"7 days","Place of Origin":"Shanghai, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"10000\/pieces\/mon","Packaging Details":"33.5\u00d719\u00d79 cm","SoC":"RK3568","Supplier Type":"OEM\/ODM","CPU":"22nm, 4*Cortex-A55, 2.0GHz","GPU":"ARM G52 2EE","NPU":"1 TOPS","VPU":"4K video decoding, 1080P video encoding","DDR":"LPDDR4, 1GB\/2GB\/4GB\/8GB","EMMC":"8GB\/16GB\/32GB\/64GB\/128GB","Working temperature":"-10 ~ 70\u2103","PCB Interface":"B2B","Embedded":"Yes","OS":"Android \/ Ubuntu \/ Buildroot \/ Debian","Application":"Industrial Automation\/Smart Retail"}}

{"cid":"91222872","title":"Rockchip Iot Wifi ARM Android Rk3588 Development Board Smart Eight Core 8k Linux Motherboard","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/63\/107e942597d4d24dcc6f2f80cdca-200x200-1.jpg","attrs":{"Price":"$45-$80","Brand Name":"JEWELLED","Model Number":"JLD-I02","Minimum Order Quantity":"1 piece sample is supported.","Delivery Time":"3-5 working days for sample","Place Of Origin":"China","Packaging Details":"1pc\/bubble bag, proper qty in a carton","Payment Terms":"T\/T Paypal","Supply Ability":"100K\/month","Product Name":"Rockchip Iot Wifi Smart Board Development Smart ARM Android Board Rk3588 Core Board Eight-core 8k Linux Motherboard","Memory":"2G\/4G\/8G DDR4 optional","EMMC":"16G-128G optional","PCB Layer":"8 Layer Board","Serial port":"5 In Total, Optional Types\uff0cTTL\uff081-5pcs\uff09\u3001RS232\uff080-4pcs\uff09\u3001RS485\uff080-2pcs\uff09","Power supply":"DC12V Input","Audio Output":"Stereo, Support Dolby Sound Effect","4G\/5G":"Support 4G\/5G Network","NPU":"6 TOPS","RTC":"Support Power-off Clock Memory\uff0c Automatic Power On And Off","PCB Size":"170mm*170mm"}}

{"cid":"91195620","title":"Industrial RK3399 PCBA Motherboard Embedded Linux Development Board","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/60\/a7938c2729df6c65dacca10669d6-200x200-1.jpg","attrs":{"Price":"US$85~US$123","Brand Name":"Sunchip","Model Number":"AD-K01","Minimum Order Quantity":"1 unit","Delivery Time":"3~8 days","Certification":"CE, FCC,ROHS","Place of Origin":"Guangdong, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100000 per month","Packaging Details":"Carton box","CPU":"RK3399","Product name":"Android Industrial Control ARM board","Operating system":"Android 7.1.2","Resolution":"1920*1080","Type-C interface":"Support","OSD language":"Multi-language Support","Touch screen":"IPS","RAM ROM":"2GB 16GB"}}