Found in Radio Electronics from the 90s, this circuit has several outputs with different pulse times. The circuit is CMOS and can be powered by voltages from 5 to 15 V.
This is a traditional complementary configuration that provides good audio power with excellent...
This flood or humidity alarm was found in an English publication in 1991. It can still be fitted...
This sound effect circuit is from a Radio Electronics magazine from December 1969. The transistors...