Pine64, makers of ARM-based, tinker-friendly gadgets, is making the PineTab 2, a sequel to its Linux-powered tablet that mostly got swallowed up by the pandemic and its dire global manufacturing shortages. The PineTab 2, as described in Pine64's "December Update," is based around the RK3566, made by RockChip. Pine64 based its Quartz64 single-board system on the system-on-a-chip (SoC), and has all but gushed about it across several blog posts. It's "a dream-of-a-SoC," writes Community Director Lukasz Erecinski, a "modern mid-range quad-core Cortex-A55 processor that integrates a Mali-G52 MP2 GPU. And it should be ideal for space-constrained devices: it runs cool,…