Raspberry Pi fans have long wished for a power button. The Raspberry Pi 5 delivers. But what if you have an older model?

兼容J1900/J1800/N2840处理器，板子小巧轻薄DDR3内存，内置6*USB接口、4*COM，1个mPCIE插槽可扩展WiF/4G模块，用来商务办公、娱乐等 ...