So, you have to read thru and try and error. Seems like a lot of people are angry with the issue that it does not work. Unfortunately, for me, HDMI working fine, but the small 3.5″ screen still give a blank white screen. It will reboot to the correct HDMI screen.īut if you also connect the RP4 to HDMI, then, by right both screen should appear. This will correctly set the launch code to use specific screen. As you can see, when you boot up the RP4, the 3.5 inch screen is blank white. But you can write simple GUI that can touch the button for your program. And since it is a touch screen, you can use a sylus with the screen.īut trust me, the screen is too small for anything. Won’t make a lot of diff, but at least there is a fan there. The new RP4 runs at much high speed, and produce a lot of heat. Remember we asked why there is a fan there? This is how you fit the the screen onto the RP4. This is the nice casing I bought from Amazon. But I know it can work with the LCD driver from MHS as the chipsets used is the same. Why I know? Because there is no MHS word there. The other day, I bought a LCD screen for my RP4. I will also share what went wrong, and what is correct too. May be the best way is to document down how I did what, did everything on my RP4 (Raspberry Pi 4).
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