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 power stage is from a 1957 documentation, a time when the transistor used was common to...
This spot gun or spotlight for cars with a distributor (old models) was found in a publication from the...
This circuit generates ladder-like signals whose frequency depends on R1 and C1. The unijunction...