LCD 2 USB by Atmel AVR Mega8 CPU

Thursday, May 15th, 2008
                        Advertisements


LCD2USB is a open source/open hardware project. The goal of LCD2USB is to connect HD44780 based text LCD displays to various PCs via USB. 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 [...]

USB DS1820 PC Thermometer by PIC16C745

Monday, May 12th, 2008
                        Advertisements


This is a digital thermometer based on USB PIC16C745 from Microchip and DS1820 sensor from Dallas Semiconductor. Temperature readings are sent over USB port in HIDCOMM USB mode to VB6 program on a PC. Hex program and sample Visual Basic 6 application is included.
Related Links
More about PIC Microcontroller
More circuit com
More digital circuit
More about [...]

USB to RS232 Converter by IC MAX235

Monday, May 12th, 2008
                        Advertisements


Why build my own USB to RS232 converter when there are adapters already available from many suppler? The Answer is simple: Neither the strand “USB to RS232 converter” actually worked *properly* with all the devices I tried. But, They did not seem to support ALL the RS232 lines. The USB to RS232 converter using the [...]