Found in RCA documentation two years 70, this circuit triggers an incandescent lamp at dusk. The circuit uses an LDR of the time.
Found in an EDN from the 90s, this circuit uses operational amplifiers from that time, which are...
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...