BIGTREETECH Pi2 - Ups Power; Spi Flash; Spdif out

BIGTREETECH Pi 2 User Manual
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3.3. UPS POWER
Specifications: HX5P-2.54MM horizontal type, compatible with our company's
SKSM emergency power supply board.
3.4. SPI FLASH
Specification model: W25Q256JWEIQ (NOT included. If needed, please
contact us for customization.)
3.5. SPDIF OUT