Found in an Elektor from the 90s, this circuit simulates a rotary switch that provides a BCD output from a 1 pole x 10 common position switch. The circuit can be powered by voltages from 3 to 15 V.
This circuit, which appears elsewhere in this section but from other sources, was found in a book...
This shield can be used both to interface TTL circuits and microcontrollers. The resistor in...
Found in an Electronic Design from the 90s, this circuit uses high voltage operationals of the...