a serial interface via USB to whatever host computer needs a display a parallel interface to an industry-standard LCD display module The display module I used is a 4-line, 20 character module. The ...

A Ducky Script interpreter that runs on an Arduino, decodes and executes scripts saved on a micro SD card. The goal of this project is to recreate an affordable and DIY alternative to the legendary ...

M5Stamp C3U is an update of the M5Stamp C3 RISC-V IoT module with heat-resistant cover, support for WiFi 4 and Bluetooth 5.0, that does without CH9102 USB to TTL chip, relying instead on the internal ...

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 ...

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 ...