newlandmark

【Electronic Music Box】A music box that can simulate any musical instrument!

Overview

An electronic music box made with a minimal system + buttons + amplifier.
Very suitable for DIY by novices and college students.
Sound source: 8000Hz*8bit*1S*36 note
mcu: stm32103 minimum system (flash>300k) Peripheral: keys*14 Amplifier chip: ht6871 Principle: After a key or simplified notation triggers a note, the timer controls the pwm to output audio pcm data. After pwm secondary filtering, the speaker is driven through the power amplifier to produce sound.
Attached video link:
https://www.bilibili.com/video/BV1PZ4y1o7LB?share_source=copy_web [Open Source] [DIY Electronic Music Box] Electronic Music Box [Advanced Buzzer Playing Techniques] In theory, it can simulate any musical instrument, even Have you ever seen an electronic music box that plays tricks on animals? _bilibili_bilibili

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

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.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-06-23 06:18:47

Has anyone designed a combustible gas detection system communication module based on MSP430?
Urgently looking for relevant information and papers! [[i] This post was last edited by xulifan23 on 2012-5-7 00:52 [/i]]
Mobile phone battery, backward 960 mAh
After lithium battery, there is no revolutionary battery technology. This is very sad. There are many mobile phone applications, but they lack better power support. This is very sad. Whether it is mob
How to use CCeSocket?
I originally used VC to make a socket communication server and client test program under wince, and I used the server of that test program as the test service program (on my laptop, of course it was n
I have a problem with the development of dot matrix LCD. Please help me.
I am now developing a small product that requires a dot matrix LCD display block. Since the product is relatively small and the cost is low, the only way is to use customized LCD glass. The basic para
Bridging Gigabit Media Independent Interfaces with LatticeXP FPGAs
Gigabit Media Independent Interface is an Ethernet interface, referred to as GMII. The simplified Gigabit Media Independent Interface is called RGMII. The purpose of using RGMII is to reduce circuit c
Who has used the sliding average filter?
[i=s] This post was last edited by paulhyde on 2014-9-15 03:35 [/i] Anyone who has used the sliding average filter method can give me some advice?

Datasheet More

Circuits More