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.
Suggested by General Electric in 1967 documentation this circuit uses an isolation transformer to...
Maxim MAX20333 Adjustable Current Limit Switches Maxim Integrated makes available from Mouser...
The Texas Instruments TPS80 LDO (Low Dropout) series (www.ti.com) can provide output voltages from...