Labels Milestones
BackA-3486 or A-3487\*\*\* | | Tayda | A-1138 | | | | R3, R21, R27, R28 | 3 | 22k | Resistor | | | | | | | | U1 | 1 | LED | Light emitting diode | | | | C4, C5 | 3 | 100R | Resistor | | | | | | | | | | | | | | | | | | | | C2, C5, C6, C8, C9 | 5 | 2N3904 | Small Signal NPN Transistor, TO-92"/>