Universal Serial Bus USB pinout circuit

Although a matching charger is typically included in the package, some devices can only be charged via a USB port. This is not surprising for USB MP3 players, which need to dock with a PC for file transfers. However, this...

usb cd rom emulation

This project aims to create a USB CD-ROM device. Unlike typical devices that imitate a CD-ROM drive, this project emulates one. The concept allows users to store an ISO image or other types of CD-ROM images on an SD card,...

USB 8bit Interface Board

The objective was to create a compact USB interface board that can be easily connected to microcontroller boards. It is designed to support both USB-powered and externally-powered operation. The number of external components has been minimized, although there are still...

USB to RS232 Using Atmel ATtiny2313 or ATmega8

The Universal Serial Bus (USB) interface has gained immense popularity due to its user-friendly applications, allowing for Plug and Play functionality without the need for system restarts. However, for developers, integrating USB into end systems has proven to be more...

USB Data Acquisition

The Universal Serial Bus (USB) has become a widely adopted technology for connecting computer peripherals. It is present on nearly every new computer and typically offers a seamless connection method for a variety of consumer electronics devices such as digital...

USB Printer Chooser Switch

With a DPDT switch, I can switch the two data lines. I tried connecting the shields from the two computers together, the grounds two computers together, switching the D+ and D- lines with the DPDT switch, and leaving the VBus...

USB Power Injector For External Hard Drives

A portable USB hard drive is an effective means to back up data; however, issues may arise if the USB ports do not provide sufficient power to operate the drive. A modified version of the Silicon Chip USB Power Injector...

USB Host and Device

The DE2 board features both USB host and device interfaces utilizing the Philips ISP1362 single-chip USB controller. The host and device controllers adhere to the Universal Serial Bus Specification Revision 2.0, enabling data transfer at full-speed (12 Mbit/s) and low-speed...

lf286 Linux USB LCD display with watchdog and buttons

This article is the result of positive feedback on previous hardware articles. Readers of LinuxFocus expressed interest in interfacing with the USB bus. This solution utilizes the LCD display from a May 2002 article and connects it to the USB...