This circuit is from a Radio Electronics from April 1964. The circuit uses power transistors of the time, which must be mounted on a good heat radiator. Modern equivalents can be used.
The I2C EERAM Memory is a Low - Cost NVSRAM that Eliminates the Need for an External Battery to...
This circuit for incandescent lamps was found in the February 1972 Radio Electronics magazine. The triac is...
This circuit uses a diode as a sensor, activating a relay when a certain temperature is reached. The...