We found this circuit in a 2002 documentation. This die shows numbers 1 to 6 on a common anode display when the switches S1 and S2 are pressed. The circuit can be powered by voltages from 5 to 12 V.
Found in documentation from the 1980s, this circuit can be used with other operational ones. The...
This circuit was published in the December 1987 Radio Electronics magazine. It uses two 555s to...
This circuit identifies the polarity of DC signals and if the signal is AC. The circuit is from...