This circuit was obtained in a 1968 manual of General Electric. The components used are of the time, but they admit equivalent. Observe the optical feedback system for control.
This circuit makes na incandescent lamp flash fast producing the stroboscopic effect. The speed is...
This percussion circuit was found in an Electronics World of 1968. The transistor may be general...
This circuit is designed to be wired to the input of audio amplifiers or preamplifiers. Since it...