/ TS) Small Signal NPN Transistor, TO-92 | | 1 | LED | Light emitting diode, 5 mm Small Signal NPN Transistor, TO-92Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-142 pin Molex header 2.54 mm spacing | Tayda | A-3545, A-3489, or A-3499\*\*\* | | L1 | 1 | 2_pin_Molex_connector | KK254 Molex header 2.54 mm spacing D Switch, triple pole double throw, right angle, http://spec_sheets.e-switch.com/specs/P040170.pdf Switch, single pole normally-open tactile switch with signal lamp, generic K switch normally-open pushbutton push-button D MEC 5E single pole double throw Precision Timers, 555 compatible, PDIP-8 Quad operational amplifier, DIP-14 .