SPI是一种多主控或主从、四线、全双工同步串行通信协议，这意味着可以同时发送和接收数据。SPI是 Motorola 开发的一种用于同步串行通信的协议，它允许两个或多个设备之间进行全双工通信，这些设备可以指定为主设备或从设备。尽管 SPI链路中可以有多个主 ...

I’ve talked about HD44780 displays before – they’ve been a mainstay of microcontroller projects for literal decades. In the modern hobbyist world, there’s an elephant in the room – the sheer variety ...

There are plenty of SPI interface screens on the market, but few of them have the charm of the good old Nixie tube. [Tony] decided to whip up a simple three-Nixie module that could be addressed via ...