This circuit was found in the July 1990 Radio Electronics magazine. It is based on the 3-digit indicator ICs CA3161 and CA3162.
With this circuit we can present an 8-bit binary information from a software on an 8-LED display. The...
The accuracy of this circuit depends on the resistors connected to the band selection network. The...
This oscillator produces an audible signal on a piezoelectric transducer. The frequency is...