Teensy 3.6 + MicroMagic

CMPS11 + GPS

Photo

Using 4.7k ohms resistors. The Pololu S7V7F5 step-up/step-down voltage regulator efficiently produces 5 V from input voltages between 2.7 V to 11.8 V. Adafruit Ultimate GPS Breakout v3. LAOMAO 5CM x 7CM DIY Prototype Paper PCB Circuit Board.

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