This circuit was obtained in a documentation of the 80s, using operational of the time. The circuit can be implemented with modern operational and instead of the lamp used an LED with a 470 ohm resistor at 2k2 depending on the voltage.
This circuit was obtained in a documentation of the 80s, using operational of the time. The circuit can be implemented with modern operational and instead of the lamp used an LED with a 470 ohm resistor at 2k2 depending on the voltage.
