In the figure we have a circuit used in stair generators with the purpose of providing constant increases in pulse intensity. The circuit is from American documentation from 1968.
This basic version of the timer with the 555 was found in documentation from the 1980s. The relay...
This circuit reproduces the signal from a nearby transmitter in a phone. The earphone must be...
This circuit uses the LM34 sensor for degrees Fahrenheit and has a scale from 3 to 300º F...