This simple timer for incandescent lamps or other non-electronic charges uses a triac as a control element. The triac must be mounted on a heatsink and the time obtained depends on capacitor C2.
This application consists of a circuit that trips when the sensor resistance drops below a few...
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
This circuit was found in a 1977 Radio Shack documentation. The circuit is TTL, which must be...