For the control of the GRawler, I opted for the micro version of the Arduino Leonardo. This has a built-in USB controller and can thus easily program. The number of IO pins is sufficient for our purposes. For installing the IDE and choosing the right...
This includes an LCD backpack and Arduino jumpers. This allows the ability for the Arduino to provide internal status while operating. Install Arduino LCD. —> CompleteImplement Arduino output to LCD —> Complete
If you are visiting Hackaday or have done any diy project in the last 10 years you have heard of arduino. I am using the latest release as of November 2021, 1.8.16. This may or may not work, but as far as I can tell you can simply modify...
The Arduino can snap into the base as shown here. Now snap the prototyping shield (like this one, or similar) into the Arduino, and insert the MCP4725 into the breadboard.
First setup your Arduino IDE to work with the MKR GSM 1400: https://www.arduino.cc/en/Guide/MKRGSM1400 Make sure you have a SIM at hand that can receive SMS.