Teensy 3.6 + DragonForce

Photo

Using 1.8k ohms resistors. The Pololu S9V11F5 step-up/step-down voltage regulator efficiently produces 5 V from input voltages between 2 V and 16 V. Adafruit Ultimate GPS Breakout v3. LAOMAO 5CM x 7CM DIY Prototype Paper PCB Circuit Board.

copy/paste Sketch