Labels Milestones
BackA-4349 | | | S2 | 1 | LED | Light emitting diode, 5 mm Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 **Potentiometer, 9 mm or 16 mm vertical board mount OR: | | Tayda | A-1955 | | | | L1 | 1 | TL074 | Quad operational amplifier, DIP-14"/>