Results tagged #7400 in Circuits
7400 SIREN
Two NAND gates are used for the oscillator, and two as the control. If the two-tone speed needs to be altered, the 220 F capacitors can be c...
7400 Siren
Two NAND gates are used for the oscillator, and two as the control. If the two-tone speed needs to be altered, the 220 µ capacitors can b...