Lab Power Supply Build Using Old Power Bricks
Over the years, I have accumulated many used computer power bricks. Although I could just use them by themselves to […]
How does Vacuum Cleaner Clean/Dirty Indicator Work?
I have always wondered how the clean/dirty indicator on my Hoover vacuum cleaner works. So when it was time to […]
Visualizing Comparator and Op Amp Hysteresis
Hysteresis can be added to a comparator circuit to improve its stability, especially when the input signal is noisy. In […]