Serial buses dot the landscape of embedded design. From displays to storage to peripherals, serial interfaces make communications possible. Many serial communication interfaces compete for use in ...

In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...

Designing an application with universal serial bus (USB) communications enables a system to be able to communicate with a wide variety of USB host devices and provides a convenient power option ...

MicroPython is a wonderful Python interpreter that runs on many higher-end microcontrollers, from ESP8266 to STM32 to the RP2040. MicroPython lets you build devices quickly, and its latest release, ...

The Universal Serial Bus (USB) started out as a data interface, but it didn’t take long before progressing to powering devices. Initially, its maximum output was only 2.5 W; now, it can deliver up to ...

Universal serial bus (USB) is a popular method for personal computers (PC) to communicate with peripherals via cables. In some applications, it’s desirable to isolate the USB communication to achieve ...

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...