LCD2USB 1.07

LCD2USB is a open source/open hardware project.
LCD2USB is a open source/open hardware project. LCD2USB was meant to be cheap and to be made of easily available parts.

It is therefore based on the Atmel AVR Mega8 CPU and does not require any difficult to obtain parts like separate USB controllers and the like. The total cost (without display and pcb) are about 5 to 10 Euros. LCD2USB currently comes with a simple demo application that works under Linux, MacOS X and Windows. I still have several spare PCBs, please email me if you are interested.

LCD2USB makes use of several projects to achieve this goal. LCD2USB is based on:
LCD4LINUX, a great framework to use small LCDs with linux, AVR-USB, a pure software implementation of USB for the AVR plattform, USBtiny, another software usb implementation for the AVR, and Peter Fleurys LCD routines for the AVR.

The hardware of the LCD2USB interface consists of the Atmel AVR Mega8 CPU, a cheap and easy to obtain microcontroller with 8 KBytes flash (of which ~3k are used in this application) and 2 KBytes RAM. The processor is surrounded by few parts, mainly connectors to interface to the PC and the LCD.

A power LED (LED1) indicates that the system is powered via USB. The system clock is derived from a 12Mhz crystal. This frequency is necessary due to the fact that the software USB implementation requires a precise timing with respect to the USB.

What's New in This Release:

Added usbtiny based version due to user request
AVR-USB version 1.07, USBtiny version 2.07

last updated on:
January 17th, 2007, 18:55 GMT
price:
FREE!
developed by:
Till Harbaum
homepage:
www.harbaum.org
license type:
GPL (GNU General Public License) 
category:
ROOT \ System \ Monitoring

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