This circuit is connected to the sum key of a common calculator. Adjusted to produce a pulse per second the result will be incremented on the calculator display. The circuit must be powered with voltages from 5 to 12 V.
This circuit is connected to the sum key of a common calculator. Adjusted to produce a pulse per second the result will be incremented on the calculator display. The circuit must be powered with voltages from 5 to 12 V.
