Sniffer MDB for vending machine

The device must be able to take the messages of the mdb bus, of 9 binary bits, pass them to 8 bit and print them in hexadecimal to a serial bus, of both data lines, declaring the length of each message in the first byte, by For example, if the machine message is 0x110 0x010 0x00 the message printed by serial must be 0x03 0x110 0x010 0x00. The second part is the interpretation of the messages, taking as reference the previous serial output (inside or outside the same ic) interpreting the messages, either to see the type of activity, the amount of the transaction, bus errors, alarms , etc. The deliverable is the program code and electronic schematics, which may vary according to the ic to be programmed, desirable arduino, esp32. If you only want to program, I have made an mdb to ttl interface that feeds on the same bus, so it would not be necessary to know much about electronics, but if you need to have a minimum understanding of the MDB bus.