Relation:
a+ (b x c) = a x (b + c)
a + b x c = (a +b) x (a + c)
This bargraph-type circuit employs a not very common integrated circuit today, but can be adapted...
Suggested by Radio Electronics from the 90s, this circuit activates a buzzer and an LED when the...
This filter was found on a 90's Radio Electronics. With the components used the cutoff frequency...
