The LED frequency flashes depends on the value of the capacitor tested according to the table. We found this circuit in a Popular Electronics from the 80s.
This complementary circuit increases the output power of an operational amplifier. Outputs with...
The 4098 IC contains two monostable multivibrators in the same package. The basic configuration...
Using a 4046 PLL, which is uncommon today, this circuit was found in the October 1994 issue of...