该功能用于初始化SPI通信。 设置通信时钟。时钟信号由主机产生，从机不用配置。但主机的SPI时钟频率应该在从机允许的处理速度范围内。 ~ SPI_CLOCK_DIV4，4分频（默认配置）； ~ SPI_CLOCK_DIV8，8分频； ...

搞单片机的读者都应该听说过Arduino，或者用过Arduino，但很多小伙伴还是不清楚究竟什么是Arduino，今天就针对初学者简单描述一下 Arduino 相关内容。 一、初识Arduino 要了解Arduino就先要了解什么是单片机，Arduino平台的基础其实就是AVR指令集的单片机。 一台能够 ...

To prevent data corruption when using multiple SPI devices on the same bus, care must be taken to ensure that they are only accessed from within the main loop, or from the interrupt routine, never ...

The Arduino Uno is the old standby of the Arduino world, with the Arduino Due picking up where the Mega left off. The Arduino Tre is a pretty cool piece of kit combining a Linux system with the ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad ...