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The author built a DIY GPU-like parallel computing cluster using 65536 low-cost RISC-V microcontrollers (CH570), achieving QVGA resolution rendering, and solved engineering challenges such as power supply, heat dissipation, and programming automation.
A hardware enthusiast built an immersion-cooled supercluster using 8192 RISC-V microcontrollers (CH570) and shared their challenges and solutions regarding clock, SPI signals, and production capacity.