Good News! The all-in-one RasPiComm is getting closer

Daniel Amesberger

Thank you for all the views and responses on my original RasPiComm blogpost!

Here I want to explain the RasPiComm hardware. The software part will follow next week.
At the end of the post you will find the schematics of the RasPiComm version 1 and version 2.

If you are not interested in the RasPiComm hardware, take a look at the original RasPiComm blogpost!

Now, let’s start!

Version 1 vs. Version 2

As I mentioned in the first blogpost about the RasPiComm, I did two versions of the board. The first version had either one serial port OR an RS-232 port. I used the /dev/ttyAMA0 (TX on GPIO header pin 8 and RX on pin 10. You could either solder the MAX3232 for RS-232 or the MAX3483 for the RS-485 port. But there was another disadvantage: I used the GPIO1 (pin 12 on the GPIO header) for switching between…

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