ROBOT.LK

It is a common question asked over the net on how to make a good quality MP3 player. By using STA013 and CS4334 chips in combination can make this dream come true. Here is the schematics.
All you have to do is, find a microcontroller with I2C bus and write MP3 data directly over that. Rest will be handled by the chip. Enjoy!

you can buy a mp3 player about 600-900 LKR.
it has separated item(usb socket,chip,jacks,PCB,LEDs).
it is eazy,but lazy.

[ Post made via Mobile Device ]

With those all in one chips, you will hardly find an I2C (or SPI) interface to connect a microcontroller which can then feed raw PCM them. So those are not much attracted to electronic enthusiasts.

How can I play my mp3 player on my car speakers? I have a Creative Zen mp3 player and my car does not have a cassette player, so a cassette adapter would not work. My car also does not have an audio jack to connect to the headphone jack of my mp3 player. I have also already tried a wireless FM adapter that never worked well. Is there a product, possibly a wired FM adapter, that could play my music?

How can I play my mp3 player on my car speakers?

It would have been better if you ask your question in a different topic that going off topic. These off topic entries are usually counted as SPAM. However I'll give you a quick answer. Have a look at post https://robot.lk/viewtopic.php?f=19&t=2786

I don't think this is very easy as this hobby project.
not discouraging you. But the simple hobby circuit lacks following.

1. A good bypass mechanism to keep away HF signals from supply bus lines.
2. design the power supply unit.
3. temperature independent voltage reference circuit.
5. Terminal voice cancelling circuit.