The figure shows how to use the LM3914 bargraph with expanded scale. The circuit has two adjustments determining the extremes of the LED excitation scale.
This simple speed control for 3 to 15 V motors uses a common power transistor. The circuit was...
We found this guitar effects circuit in a 1997 documentation. As the components used are still...
This circuit was found in documentation from the 1970s. The transistor supports modern...