Hi i bought this data logger a few weeks ago, http://www.littlebirdelectronics.com/products/Logomatic-v2-Serial-SD-Datalogger.html I've been having some trouble with it. I read th …

I need to configure USB OTG on iMX31 for device mode. We need a raw channel between the host and target and usb seems to be the best suited. However I haven't been able to correctl …

I was looking over the schematic for the GumStix Palo 43 and noticed they used a common mode choke coil on the data lines coming in from USB. I understand how this design can hel …

Let's say there is a USB stick that is specifically for storing dates or days or some kind of arbituary data. In order to access the data you must have the software. Is there any …

I am looking for a USB protocol analyzer and was wondering if anyone had any experience with one. So far, I am looking at an Internal Test Instruments and a Beagle USB 12. I only …

Hello! Is it possible to run both USB Host and USB Device controllers on top of an AVR (ATMega64)? Specifically, what I'm looking for is to receive data from a usb keyboard, and s …

I'm looking for an easy way to get in between of a HID USB communication. Can it work by multiplexing a single usb port on an AVR? Thanks!

I wonder which hardware will be the best for playing with USB because its looks like a lot of projects only use atmega8 (or even attiny). But would it really be easier with an AT90 …

Hey there Chiphackers, this is my first post, and I need some help/advice finding the right integrated circuits. I'll start by describing the project background a bit. I've receive …

I'm trying to interface an XSens IMU (http://xsens.com) with my computer, and I'm running into interesting difficulties. The IMU has an RS232 connector that just uses the pins VCC, …

Anyone have any recommendations on a good rs232-to-usb converter. There are a lot out there and from the looks of it some are hit or miss. Good driver support is a must.

Does anyone have some cool ideas for a use of a scripting language on an embedded system? I'm thinking about the eLua project specifically. Basically, you need a micro with at l …

How can one build a device that presents itself as a mass storage device to a machine via usb, then whatever files are transfered to it, get sent to a remote location via wifi (can …

Has anyone used this data logger (or similar) with v-usb to collect data? http://www.sparkfun.com/commerce/product_info.php?products_id=9147 If so, what is the maximum times per …

Suppose I connect a logic analyzer to D+ or D- line, will I see a valid data? Thanks!