Table 1.

Summary of recent related works.

Work	OBD-II Reader	Edge Computing	TinyML	Observed Sensors
This work	Freematics ONE+	Yes	Yes	MAP, MAF, IAT, RPM
[28]	ELM-327 *	Mobile App	No	MAP, Speed
[29]	ELM-327 *	No Offline computing	No	MAP, MAF, IAT, RPM
[30]	ELM-327 *	No Offline computing	No	MAP, Speed, AP
[31]	Freematics ONE+	No Offline computing	No	MAP, Speed, RPM, MAF, IAT
[32]	OBD-II reader not specified + Raspberry Pi	No Offline computing	No	MAP, Speed, RPM, MAF, IAT

* ELM-327 has an ATMega644 microcontroller internally, but it is not used for computing in the cited works.