This 100 second timer was found in the September 1992 issue of Radio Electronics magazine. The circuit has two timing ranges and time adjustment at R6.
We found this circuit in a 1967 IEEE documentation. The circuit uses discrete components of the...
The astable multivibrator shown by figura 1 has a very low current drain and can be powered from 6...
This circuit was obtained from Everyday Electronics magazine of August 1974. The circuit is still...