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 provides a multiplexed signal to be applied to the input of an FM transmitter. The...
This simple TTL circuit indicates which was the first to press one of the four pressure switches. The...
We found this circuit in a documentation from the 90s, which can be adapted in most cars of the...