1. Basic requirements:
(1) It has general playing functions and variable volume (at least two levels)
(2) Realize the automatic playback function of a song
(3) Function of digitally displaying musical...
2004 Autumn (64th) National Electronics Exhibition【Source: smta.org.cn】【Author: toptouch】【Time: 2005-1-22 9:06:36】【Click: 2658】2004 Autumn (64th) National Electronics Exhibition——The first Asian Elect...
https://detail.tmall.com/item.htm?spm=a1z10.5-b.w4011-18883888937.65.c8162af80RiU46id=576897750536rn=2113700bcd9e6682e833730a455c6a29abbucket=19skuId=3880525425703This one is 80% new. I replaced the o...
GD32E231C-START unboxing. After waiting for so long, I finally received the board and sample today. The packaging is very simple.Black text on a white board. Next, you can build the circuit while prog...
[align=left][color=rgb(25, 25, 25)][font="]Semiconductor laser, also known as laser diode, is a laser that uses semiconductor material as the working material. It has the characteristics of small size...