The NUSA Infiltrator jacket from Cyberpunk 2077 is powered by a pair of Raspberry Pi 4s.
See boot.py for code example.
#define ULP_INT_CH 0 // ULP GPIO Pin interrupt 0 #define MODE_0 0 // Initializing GPIO MODE_0 value #define PORT1 1 // PORT 1 #define EDGE_EVENT 1 // Edge for group interrupt #define OR_EVENT 1 // OR ...