7.5 e-Paper waveshare is not working - Hardware - Particle

Hello ! I recently bought a Waveshare 7.5inch e-Paper HAT in alongside a Raspberry Pi. The display arrived first so I tried to make it work with an Arduino following the documentation (Im using the epd_7in5_V2 example code). I connected everything up, but the display wont show any activity. I went through every connection multiple times and everything seems right. Vcc → 5V GND → GND DIN → D11 CLK → D13 CS → D10 DC → D9 RST → D8 BUSY → D7 I also tried connecting it through the b

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