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.
The TLC555 is the CMOS equivalent of the well-known 555 bipolar transistor. It can be used in the...
This circuit, which was common at the time, was found in the February 1973 issue of Radio...
This circuit was found in the used integrated circuit manufacturer's manual. The table beside the...