(Normalling) Small Signal NPN Transistor, TO-92 KK254 Molex connector 2.54 mm spacingKK254 Molex headerLow-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | C1 | 1 | SW_SPDT | Switch, single pole triple throw, 3 position switch, SP3T K switch single-pole double-throw ON-OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D 12x DIP Switch, Single Pole Single Throw (SPST) switch with ground pin http://www.ckswitches.com/media/1479/kmr2.pdf tactile push button, 6x6mm e.g. PHAP33xx series, height=13mm FS5700 series pushbutton footswitch, DPDT, https://www.e-switch.com/system/asset/product_line/data_sheet/226/FS5700.pdf Switch with High Contact Reliability, Top-actuated Model, with Ground Terminal, without Boss Ultra-small-sized Tactile Switch SPST Slide 8.61mm 338mil SMD LowProfile JPin SMD 11x-dip-switch SPST , Slide, row spacing 8.89 mm (350 mils), body size (see http://www.kingtek.net.cn/pic/201601201446313350.pdf), JPin SMD DIP Switch SPST Slide 8.9mm 350mil SMD 2x-dip-switch SPST Copal_CVS-02xB, Slide, row spacing 15.24 mm (600 mils 40-lead surface-mounted (SMD) DIP package, row spacing 8.61 mm (338 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/chs.pdf), SMD SMD 6x-dip-switch SPST Omron_A6H-6101, Slide, row spacing 10.16 mm (400 mils.