Many people have seen the new Arduino Zero/M0 Pro and this is a good low power chip.
But this only have 1 serial port to connect your serial data devices, Serial1.
But I found a way around it, I got Serial2 to work..
With the use of Serial2 you can now connect something like Adafruit FONA on Serial1 and GPS on Serial2. If you use FONA 808 you don’t need 2 serial ports, but if you only got the 800L you need 2 serial ports, one for FONA and one for GPS.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.
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