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 circuit was obtained from an old Electronic Design. The components are from the period but...
Toshibas IC Brushless Motor Drivers Toshiba offers through Mouser Electronics a broad range of...
The 1: 1 transformer on this circuit found in a 1967 Electronics World can be wrapped around a...