Implement a USB PD protocol analyzer, a USB PD trigger board or a more sophisticated power sink using a few additional components and simple Arduino code. Supports several STM32 microcontrollers.

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Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...

It happened when I was tidying up my desk drawer because I couldn't find something I was looking for. I found a small glass tube that I had bought a long time ago and forgotten about. I only had a ...

[导读]很长一段时间里，我总是需要反复按下Alt键切换到任务管理器或系统监控工具，才能查看电脑资源的使用情况。尤其是在进行大量渲染或游戏时，如果能一目了然地看到这些信息，就能大大减少猜测的时间。一个小巧而专用的显示屏，能够实时显示CPU负载、内存使用率、磁盘容量、网络流量和电池状态，似乎正是理想的解决方案。 很长一段时间里，我总是需要反复按下Alt键切换到任务管理器或系统监控工具，才能查看电脑资源 ...

Walk into any electronics store, and you'll find plenty of temperature sensors priced anywhere between $15 to $50. Even if you get past the price and buy a fancy one, you'll be disappointed to know ...