This circuit has its frequency controlled by a 1MHz crystal. The circuit must be powered by a voltage of 5V. The capacitors must be ceramic. The generated signal is rectangular.
This circuit was found in American documentation from the 90's. The transformer is of the high...
Found in a 1970's Radio Electronics, this circuit uses a triac to switch loads on the AC network. This...
This circuit uses the LM34 sensor for degrees Fahrenheit and has a scale from 3 to 300º F...