Is the second one a lot bigger? It’s hard to tell.

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The second one is a 5" screen mounted to the crytpo cloaks case. Has a resolution of 800x480.

The Argon case has a standard 3.5" 480x320 screen attached

Well the second one is more visually interesting.

Maybe I can bring both

How do you like the Argon case btw? I checked them out but it didn’t seem like a POE hat would fit in it.

Its good for a small size computer. I also like how the GPIO is exposed with removable cover on top for tinkering hobby projects. More intended for attaching HDMI display though like a mini desktop PC.

Yeah looks like it’s be a good desktop style case. I haven’t used my zoo in a while but just had it in one of those cheap plastic set ups that stand off the board so I could get a POE hat on it.

What does GPIO do?

It’s like a general purpose expansion for the RaspberryPi. Let’s you hook up all kinds of things like GPS receivers, lights, displays.

What can you do with a raspberry pi? I know it’s a computer.

They used to be really popular for maker stuff like displays, robots, controlling things but a lot of those uses have been replaced with other microcontrollers.

You can also use them as really low power servers. That’s what I was doing with mine. Pi-hole is a popular is a popular use which is a network wide ad blocker.

GPIO is abbreviation for General Purpose Input Output. In addition to 5v, 3v and ground other pins allow for turning on/off to complete an electric circuit in response to logic running on the pi, or connect sensors, or control other devices with I2C, SPI and sometimes UART. The screen attached to the Argon is handled with SPI using drivers on the pi. The other case is connecting the screen using DSI interface which is separate from the GPIO pins

I had a pi I was using with a GPS receiver as a network time server for a while. It was a fun little project.