raspberry pi 5吋 HDMI 800x480設定 /boot/config.txt # uncomment if hdmi display is not detected and composite is being output hdmi_force_hotplug = 1 # uncomment to force a specific HDMI mode (here we are forcing 800x480!) hdmi_group = 2 hdmi_drive= 1 hdmi_mode = 87 hdmi_cvt = 800 480 60 6 0 0 0