Pin collecting has been a little hobby for the past couple of years. I mean, it is a little portable piece of art that now most artists I love also offer. However, being in lockdown seems to have made ...

Your record collection is your pride and joy. It's taken a lot of careful curating to amass, and it's likely worth a fair amount as well. But even if it isn't going to feather your retirement coffers, ...

This expandable LED display for a microcontroller in Figure 1 has a simple interface with only 6 data/control wires and can be easily accommodated to a DIY design. The display has static indication.