USB controlled DDS signal generator with ATmega88

A simple signal generator which produces sine waves (or any waveform really) at audio frequencies using DDS and is controlled a USB serial connection.

Only 2 chips are used in this circuit. The AVR ATmega88 which produces the signal, and

Published on Tue, 31 Jul 2007 21:56

Dual port USB Host controller from FTDI / Vinculum

For applications which need a USB interface with host controller capabilities, FTDI via the Vinculum brand offer the Vinculum VNC1L-1A device. It has two USB 2.0 full speed (12 Mbps) ports and
Published on Thu, 31 May 2007 23:13

Low cost USB interfaces for AVR microcontrollers

While there are many chips available for interfacing USB to microcontrollers, most of them involve some costs in both development and component count.

Two low cost alternatives to interfacing ATmega microcontrollers to USB are AVR-USB from Objective Development, and the range of USB interface chips from FTDI Chip.

(USB, FTDI, AVR-USB, FT245R, AVR, ATmega, ATtiny)

Published on Tue, 01 Aug 2006 22:03

USB based data acquisition module

Soon to be available, a small USB 1.0 based module with 8 channel analog inputs.

Interfacing to Windows, OS X, and Linux operating systems.

Expected price approximately $100 USD

(device ATmega88)

Published on Wed, 31 May 2006 22:52