After analyzing the communication between the two chips, [Alejandro] pulled the S3P70F4 off the board and wired an Arduino Pro Mini 328 in its place.

Arduino is a company that’s best known for making small, programmable microcontroller boards. But the new Arduino Pro Portenta X8 is a full-fledged, Linux-friendly computer with a compact design.

Arduino WiLoader Wireless Programmer Adapter For Robots, AVR And More (video) 3:15 pm September 29, 2016 By Julian Horsey ...

From there [j3tstream] moved to an Arduino Pro Mini with an SD card for data logging. The uC is powered from the GPS board but this will quickly exhaust the stock battery so [j3tstream] swapped it ...