桂花蒸

attiny45 music player

Overview

The author of this project found related production works online and followed them to learn how to make them. A very simple SD card audio player made using ATtiny 8-pin MCU. It can support three AVR microcontrollers of ATtinyX5 series (25/45/85). The core is the connection between MCU and SD card. The SD card holder only has 6 pins, 2 for power and 4 for control signals, so the connection is very easy to complete. The chips of the ATtinyX5 series microcontrollers are small in size and cheap, and are very suitable for running some relatively simple programs. ATtiny25/ATtiny45/ATtiny85 all have only 8 pins. They are almost identical. The only difference is the memory capacity. For example, ATtiny85 has twice the memory of ATtiny45, so it can load more complex programs.

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-18 21:21:31

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