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 makes use of an unusual component today, a LASCR. It is a light-activated SCR. The...
This circuit was found in a 1964 Electronic Design. The circuit can be implemented with equivalent...
This conventional power supply circuit with the LM317 was found in a 1987 publication and its...