They all expose basically the same functionality, which is to create a 9600bps software serial connection (either using Arduino's built-in SoftwareSerial library, or an alternative like AltSoftSerial) ...

Create Custom Characters for LCD displays connected to Arduino, Raspberry Pi, Tinkerforge or other - rwbl/lcd-custom-char-maker-v2 ...

RACI charts help you understand who is responsible for what during a project. To create a RACI chart, list all of a project’s tasks down the left-hand column and stakeholders across the top row.