We found this circuit in a Motorola manual. The circuit has the capacitor charging at 15 to 30 V, then discharging through the coil and generating a voltage that reaches 500 V for the spark plugs.
This water level control circuit was found in a 1980s documentation. The circuit uses a capacity...
This circuit was obtained in an English publication from 1980 but can still be assembled with...
This circuit is from an American cookbook from 1977. The circuit generates a voltage of...