Labels Milestones
BackWith mods Light emitting diode | | R25, R27, R29 | 3 | 4.7k | Resistor | | U3 | 1 | TL074 | Quad operational amplifier, DIP-14
With mods Light emitting diode | | R25, R27, R29 | 3 | 4.7k | Resistor | | U3 | 1 | TL074 | Quad operational amplifier, DIP-14