An Automatic Plant watering system is a device (or setup) that uses sensors to monitor the soil moisture and if the moisture ...

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

SR Flip Flop Circuit In this circuit diagram, the output is changed (i.e. the stored data is changed) only when you give an active clock signal. Otherwise, even if the S or R is active, the data will ...

Many football fans refer to the NFL's Divisional Round as the most exciting weekend on the football calendar. The featured matchup is Sunday at 6:30pm ET as the AFC North champion Baltimore Ravens ...