Below is the contact form for USBmicro, L.L.C.
Please send an email via the contact form listed below and place “U401”, “U421”, or “U4x1” in the message subject line. There is a lot of spam email received and filtered – once in a while a “good” email is the victim of the filter.
Engineering⁄ Embedded Design
USBmicro designs custom and semi-custom USB devices, embedded web servers, CAN devices, Home Automation devices, and other embedded controllers. We have wide microcontroller experience “from Atmel to Zilog”. Contact us for engineering development.
USBmicro is willing to adapt standard devices, such as the U401/U421/U451, with custom software.