Instead of LED bulbs, LEDs with a series 470 ohm 1k resistor can be used in this 80's circuit. Operational or comparators can also be more modern types. An operating table is given next to the circuit.
Instead of LED bulbs, LEDs with a series 470 ohm 1k resistor can be used in this 80's circuit. Operational or comparators can also be more modern types. An operating table is given next to the circuit.
