This RCA circuit has current limitation. The circuit is from an ancient American documentation making use of components of the era. The circuit includes the power supply.
The purpose of this circuit is to warn the driver when he turns off the car while leaving the...
Found in an English publication from 1977 about the CA3130, this circuit uses a probe to play a...
We found this interesting timer circuit or CMOS timer in a 1988 publication. The circuit is still...