Credit goes to matafonoff for doing all the hard work, I just fixed the interrupts to run on ESP32. ESP32 library which allows you to communicate via J1850VPW. You just have to choose tx and rx pins.
The MAX14521E is a quad high-voltage EL lamp driver with I²C interface made by Maxim Integrated. It is designed to drive up to four electroluminescent (EL) lamps, typically used as backlighting in ...