Teensy 4.0 + Parallax SIM33EAU GPS


The Parallax SIM33EAU GPS returns the latitude and longitude of the device location. Note I apply 3.3 volts power so the Serial wires logic level is 3.3v. Had I supplied 5v, then Serial wires may be 5v and will ruin the microcontroller.

Read the SIM33EAU manual if you decide to connect to 5v, instead of 3.3v.


Serial protocol3.3 volts

copy/paste Sketch