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.
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...
The arranjment sohon Bellow, and simulated in the Multisim Blue allows to see in the oscloscope...
We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has...