Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic ...

35 x 20mm 50 x 25mm 65 x 30mm “The sizes have been chosen after customer consultation to provide prototype builders and small volume OEMs generous room for their PCB,” said Hammond. Called 1551USB, ...

Building a special-function USB keypad or gaming device used to be hard work. But today between hardware and software design availability, it’s child’s play.

If you are searching for a fully featured USB programmable keypad for your PC you may be interested in the Adafruit MacroPad RP2040 starter kit which is now available to purchase direct from the ...

Watch the video below to learn more about his Arduino-based portable keypad that connects to your Arduino development board and offers the complete alphabet, numbers 0-9 as well as several commands.

A simple Arduino project to measure the stability of USB power supplies. This project can easily be reconfigured to be a simple digital voltage meter.

Reviews Portable storage for the paranoid: We test two secure USB drives on keypad vs. software security By Jon L. Jacobi Mar 19, 2015 3:39 am PDT ...