This which allows to test the DAC and get an idea of its accuracy (which seems quite good in my tests). You can see an example of output here Once it reaches 255, you can re-play it by resetting the ...

The "serial_to_DAC_to_speaker" directory contains the Arduino code. The "serial_sender" directory contains a rather trivial C program (to run on the computer) that copies a file to a serial port.

Hard-drive based media players aren't anything new, but hifi equipment actually built from old drives are somewhat rarer. At Hifiduino they're using an Arduino microprocessor… ...

We already interfaced MCP4725 DAC Module with Arduino. Today we will use the same MCP4725 DAC IC to design a Digital to Analog converter using the STM32F103C8 Microcontroller.