Who knew it could be this fun building a photo frame?

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

In this second article we will see a practical application of the daisy-chained shift registers. We want to use four 7-Segments LEDs controlled by the Arduino board. As you can imagine, that is ...

[Oleg] found himself in possession of a Stamps.com Model 510 5lb digital scale. It’s a great scale, but only works as a USB HID device. In other words, it’s a digital scale without a digital display.