You will find product here: https://biqu.equipment/products/bigtreetech-pi-2-cb2
How to Make SPI screen work on RPI: https://github.com/stadie/btt_tft35spi_rpi
BTT CB2 GitHub: https://github.com/bigtreetech/CB2
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YT: https://www.youtube.com/@hobbyistnotes?sub_confirmation=1
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