Certain PIN codes are blacklisted on iOS. For example, iOS recommends you don't use 0000 or 0011, but doesn't have a problem with 0001 or 1001. But what combination of numbers are blacklisted, and ...

You may have noticed, we’re fans of the Raspberry Pi here at Hackaday. Hardly a day goes by that we don’t feature a hack that uses a Pi somewhere in the build. As useful as the Pis are, they aren’t ...

在这个项目中，将向您展示如何设置和编程您自己的考勤系统，该系统使用RC522 RFID reader。 整个项目中，将展示如何组合使用RFID RC522阅读器和16×2 LCD的电路。 首先展示将这些电路连接到Raspberry Pi的GPIO引脚所需的所有步骤。还将向您展示如何测试每个电路，使其 ...

Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...

Raspberry Pi owners looking to use higher voltages with their mini PC, might be interested in this new opto-isolator board called the Opto-pi which has been specifically designed to be used with the ...

This summer the Raspberry Pi Foundation launched a redesigned version of the low-cost, low-power mini-computer the team first launched two years earlier. The Model B+ had more USB port than the ...

How much can you cram into a 2.6 in x 1.2 in circuit board? You'd presume not much, but the Raspberry Foundation is trying to prove you wrong. First, it added built-in Wi-Fi to its teeny Raspberry Pi ...

If you do, then you're in luck, thanks to the Suptronics X1013 expansion board for the Raspberry Pi 5, which adds ten USB ...