偶然发现有一个产品，可以通过蓝牙连接手机，在播放音乐的同时，显示歌词。于是查找了一下资料，发现有很多用ESP32实现的例子，但无一例外都基于Arduino，调用大神提供的库实现歌词获取和显示。 为了节约硬盘空间，前不久Arduino已经被我从硬盘上删掉了 ...

Over the past decade or so, smartphones have exploded in popularity and seamlessly integrated themselves into nearly every aspect of most people’s lives. Although that comes with a few downsides as ...

There is a scene from the movie RED (Retired, Extremely Dangerous) where Bruce Willis encounters a highly-secure door with a constantly changing lock code deep inside the CIA. Knowing the lock would ...