注意 / Note: 新版树莓派系统（Raspberry Pi OS Bookworm 或更新版本）已内置pigpio库，可以跳过这一步。 If you are using newer Raspberry Pi OS versions (Bookworm or later), pigpio is already pre-installed and you can skip this step.

As I've said before, the Raspberry Pi 4 runs relatively hot thanks to its greater power than previous models, and while there have been several changes made to the Raspberry Pi OS and firmware that ...

Raspberry Pi Trading has released a new $5 cooling fan that clips inside the official case for the Raspberry Pi 4. There are plenty of fans available for the Raspberry Pi 4 but now there's an official ...

When implementing cooling solutions for electronic equipment, system designers are confronted with a complex set of variables. The cooling requirements are typically dynamic, and ambient temperatures ...