CD Changer Emulator for Nissan Maxima, Pathfinder and Infinity I30. Allows to play mp3 and wav files from USB stick and micro SD card. Pretends to be cd changer to head unit, therefore all head unit and steering wheel controls supported. Based on DFPlayer Mini board and ATTiny85.
Source code available at [github](https://github.com/CppBaddy/Nissan-CD-Changer-Emulator)
USB dongle Real time clock For raspberry Pi (which does not have one)
Initializes as a USB Serial port when plugged in to any computer and times can be read and set via serial commands
Microchip XC8 Project attached below
PCB Shown is revision 3 as I have been trying to fit it into a small USB dongle enclosure, the one it seems to fit best is the USB-7201-G from Bud Industries.