Any sensor or piezo capsule can be used as a sensor in this circuit. The integrated circuit is also common in our days and a table of sensor voltage levels.
Maxim MAX20056B 6 Channel High Brightness LED Controller Maxim Integrated makes available through...
This circuit is an isolated shield for microcontrollers such as the Arduino, MSP430, PIC and...
This circuit was suggested by Sprague Electric in an 80's documentation. The circuit uses a...